[Snyk] Fix for 4 vulnerabilities

[snyk-io]

Snyk has created this PR to fix 4 vulnerabilities in the yarn dependencies of this project.

Snyk changed the following file(s):

• packages/backend-common/package.json

Note for zero-installs users

If you are using the Yarn feature zero-installs that was introduced in Yarn V2, note that this PR does not update the .yarn/cache/ directory meaning this code cannot be pulled and immediately developed on as one would expect for a zero-install project - you will need to run yarn to update the contents of the ./yarn/cache directory.
If you are not using zero-install you can ignore this as your flow should likely be unchanged.

⚠️ Warning

Failed to update the yarn.lock, please update manually before merging.

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Regular Expression Denial of Service (ReDoS) SNYK-JS-DIFF-14917201	590
	UNIX Symbolic Link (Symlink) Following SNYK-JS-BACKSTAGEBACKENDPLUGINAPI-15054291	550
	Prototype Pollution SNYK-JS-LODASH-15053838	545
	Prototype Pollution SNYK-JS-LODASHES-15053836	545

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• Check the changes in this PR to ensure they won't cause issues with your project.
• Max score is 1000. Note that the real score may have changed since the PR was raised.
• This PR was automatically created by Snyk using the credentials of a real user.

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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Regular Expression Denial of Service (ReDoS)
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EntelligenceAI PR Summary

This PR pins internal Backstage dependencies to explicit versions and updates lodash in the backend-common package.

• Replaced workspace protocol references with specific versions for @backstage/backend-app-api, @backstage/backend-plugin-api, @backstage/config-loader, @backstage/integration, and @backstage/integration-aws-node
• Version ranges span from 0.1.0 to 1.6.1 across the pinned packages
• Upgraded lodash dependency from ^4.17.21 to ^4.17.23
• Changes establish stable dependency boundaries for release management

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[snyk-io]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scanner	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues

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[entelligence-ai-pr-reviews]

Walkthrough

This PR updates the dependency management strategy for the backend-common package by transitioning from workspace protocol references to explicit version pinning for internal Backstage packages. Five core Backstage dependencies are now locked to specific versions, establishing stable dependency boundaries that likely support release preparation or version control requirements. Additionally, the lodash library receives a minor version bump from 4.17.21 to 4.17.23, which typically includes security patches and bug fixes. These changes enhance dependency stability and security posture for the backend-common package.

Changes

File(s)	Summary
packages/backend-common/package.json	Transitioned five Backstage internal packages (@backstage/backend-app-api, @backstage/backend-plugin-api, @backstage/config-loader, @backstage/integration, @backstage/integration-aws-node) from workspace protocol references to explicit version numbers (0.1.0 to 1.6.1); upgraded lodash from ^4.17.21 to ^4.17.23.

Sequence Diagram

This diagram shows the interactions between components:

sequenceDiagram
    participant Dev as Developer
    participant PM as Package Manager
    participant Registry as NPM Registry
    participant BC as backend-common
    participant Deps as Dependencies

    Dev->>PM: Update package.json versions
    Note over Dev,PM: Convert workspace:^ to fixed versions<br/>Update lodash 4.17.21 → 4.17.23
    
    PM->>PM: Parse package.json changes
    
    alt Fixed version dependencies
        PM->>Registry: Resolve @backstage/backend-app-api@1.0.0
        Registry-->>PM: Return package metadata
        PM->>Registry: Resolve @backstage/backend-plugin-api@1.6.1
        Registry-->>PM: Return package metadata
        PM->>Registry: Resolve @backstage/config-loader@0.6.10
        Registry-->>PM: Return package metadata
        PM->>Registry: Resolve @backstage/integration@0.1.0
        Registry-->>PM: Return package metadata
        PM->>Registry: Resolve @backstage/integration-aws-node@0.1.0
        Registry-->>PM: Return package metadata
    else Workspace dependencies remain
        PM->>PM: Link local workspace packages
        Note over PM: backend-dev-utils, cli-common,<br/>config, errors, types remain workspace:^
    end
    
    PM->>Registry: Resolve lodash@^4.17.23
    Registry-->>PM: Return latest compatible version
    
    PM->>Deps: Install resolved dependencies
    Deps-->>PM: Installation complete
    
    PM->>BC: Update node_modules
    BC-->>PM: Dependencies updated
    
    PM-->>Dev: Installation successful
    Note over Dev,BC: backend-common now uses<br/>fixed versions for core packages

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