fix: remove pip upgrade and use --no-build-isolation

The build isolation subprocess only sees the internal feed (not PyPI),
causing setuptools resolution to fail. Use --no-build-isolation to
leverage the agent's pre-installed setuptools and remove the pip
upgrade step which also fails against the feed.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: ramsessanchez

.azure-pipelines/daily-ci-build.yml

@@ -53,11 +53,7 @@ extends:
                 inputs:
                   artifactFeeds: microsoftgraph/GraphDeveloperExperiences_Public
 
-              - script: python -m pip install --upgrade pip
-                displayName: Upgrade pip
-                workingDirectory: $(Build.SourcesDirectory)
-
-              - script: pip install -e ".[dev]"
+              - script: pip install -e ".[dev]" --no-build-isolation
                 displayName: Install dependencies
                 workingDirectory: $(Build.SourcesDirectory)