[CHORE] Update to 3.4 from the official repo

[hedukas]

Context

3.4.0 contains fixes that make it compile with xcode 26.3 which is blocking us from updating the xcode we are using in the guild

Checklist

[x] Change meets or does not compromise the Baseline Security Requirements

[Copilot]

Pull request overview

Changes: Maintenance (1), Bugfix (1), Test improvement (1), Documentation update (1)

This PR updates the Rollbar Apple SDK to version 3.4.0 (per upstream), including crash-report formatting/parsing fixes to support newer Xcode toolchains and to prevent crashes from address arithmetic overflow.

Changes:

• Bump SDK version references to 3.4.0 across podspecs and internal constants.
• Harden crash report parsing/formatting (overflow-safe address math, binary image validation, improved URL parsing) and adjust formatting pipeline to propagate validation/formatting failures.
• Update examples, tests, and documentation (changelog + new CLAUDE.md guidance).

Reviewed changes

Copilot reviewed 30 out of 33 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
RollbarReport.podspec	Bumps RollbarReport pod version to 3.4.0.
RollbarNotifier/Tests/RollbarReportTests/RollbarReportTests.swift	Adds a regression test for invalid crash formatting input.
RollbarNotifier/Tests/RollbarNotifierTests/RollbarNotifierDTOsTests.swift	Updates DTO version expectation to v3.4.0.
RollbarNotifier/Tests/RollbarNotifierTests-ObjC/DTOsTests.m	Reformats tests and updates expected module version to v3.4.0.
RollbarNotifier/Sources/RollbarReport/Report/Report.swift	Makes binaryImages validated and error-producing via Result.
RollbarNotifier/Sources/RollbarReport/Report/BinaryImage.swift	Makes BinaryImage parsing failable and overflow-safe for address ranges.
RollbarNotifier/Sources/RollbarReport/Report/Address.swift	Makes address +/- overflow-aware by returning optionals.
RollbarNotifier/Sources/RollbarReport/Formatter/RollbarCrashFormattingFilter.swift	Updates formatting pipeline to handle formatter errors via Result.
RollbarNotifier/Sources/RollbarReport/Formatter/FormatBuilder.swift	Generalizes Formatted/builder to support Result-producing formatting.
RollbarNotifier/Sources/RollbarReport/Error.swift	Adds invalidBinaryImages and invalidAddress NSError constructors.
RollbarNotifier/Sources/RollbarReport/Diagnostic/RollbarCrashDiagnosticFilter.swift	Fails diagnosis when binary images are invalid (uses new Result).
RollbarNotifier/Sources/RollbarNotifier/RollbarReachability.m	Removes problematic header import for newer Xcode compilation.
RollbarNotifier/Sources/RollbarNotifier/DTOs/RollbarConfig.m	Updates notifier version constant to 3.4.0 and refactors formatting.
RollbarNotifier/Sources/RollbarCrash/Recording/RollbarCrashReportVersion.h	Updates crash report version macro to 3.4.0.
RollbarNotifier.podspec	Bumps RollbarNotifier pod version to 3.4.0.
RollbarDeploys.podspec	Bumps RollbarDeploys pod version to 3.4.0.
RollbarCrash.podspec	Bumps RollbarCrash pod version to 3.4.0.
RollbarCommon.podspec	Bumps RollbarCommon pod version to 3.4.0.
RollbarCocoaLumberjack.podspec	Bumps RollbarCocoaLumberjack pod version to 3.4.0.
RollbarAUL.podspec	Bumps RollbarAUL pod version to 3.4.0.
Rollbar.podspec	Bumps umbrella pod version to 3.4.0 and removes module_map tuple.
README.md	Fixes “iOS” capitalization.
Examples/RollbarDemo/RollbarDemo/ContentView.swift	Adds example showing attaching stack trace data for caught errors.
Examples/RollbarDemo/RollbarDemo.xcodeproj/project.pbxproj	Updates demo app build + marketing versions.
Examples/Integration/CocoapodsFramework/Podfile.lock	Updates CocoaPods lockfile (currently pinned to 3.3.2).
Examples/Integration/CocoapodsFramework/Podfile	Updates integration example to depend on ~> 3.4.0.
Examples/Integration/CocoapodsApp/Podfile.lock	Updates CocoaPods lockfile (currently pinned to 3.3.2).
Examples/Integration/CocoapodsApp/Podfile	Updates integration example to depend on ~> 3.4.0.
Examples/Integration/CocoapodsApp/CocoapodsApp.xcodeproj/xcshareddata/xcschemes/CocoapodsApp.xcscheme	Adds shared Xcode scheme for the integration example.
CLAUDE.md	Adds repo build/test/architecture guidance.
CHANGELOG.md	Adds 3.4.0 release notes.
.ruby-version	Pins Ruby major/minor to 3.3.

Comments suppressed due to low confidence (1)

RollbarNotifier/Sources/RollbarReport/Formatter/RollbarCrashFormattingFilter.swift:43

• The completion is building reports using formattedResults.compactMap(\.success?.string).map(NSString.init). Because success?.string is a double-optional (String??), this produces [String?] rather than [String] and won’t type-check with NSString.init. Consider unwrapping the inner optional (e.g., an additional compactMap) before mapping to NSString.

        complete?(
            /*reports:*/formattedResults.compactMap(\.success?.string).map(NSString.init),
            /*didFinish:*/formattedResults.allSatisfy(\.isSuccess),
            /*error:*/formattedResults.first(where: \.isFailure)?.failure)

---

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[Copilot]

buildExpression(_ expression: Formatted<Success>?) maps expression?.string which is a nested optional (Success??) into .success($0), producing a type mismatch (Success? vs Success). This should be flattened (e.g., using flatMap to unwrap the inner optional) so the result builder compiles and correctly lifts Formatted<String>? into Formatted<Result<...>>.

Suggested change

	Formatted(string: (expression?.string).map { .success($0) })
	Formatted(string: expression.flatMap(\.string).map { .success($0) })

[Copilot]

This test uses try! when reading/parsing the fixture JSON. If the resource is missing or the JSON becomes invalid, the test will crash rather than fail with a useful assertion. Prefer try? + XCTUnwrap/XCTFail so failures are reported cleanly.