chore(deps): Bump actions/upload-artifact from 6 to 7

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 6 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v6...v7)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/pr-build.yml

@@ -48,7 +48,7 @@ jobs:
         run: dotnet test tests/SVNPathCopy.Tests/SVNPathCopy.Tests.csproj --configuration Release --no-build --verbosity normal --results-directory tests/SVNPathCopy.Tests/TestResults --logger "trx;LogFileName=test-results.trx" --collect:"XPlat Code Coverage"
 
       - name: Upload test results
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: test-results
@@ -114,7 +114,7 @@ jobs:
         run: dotnet build src/SVNPathCopy.Installer/SVNPathCopy.Installer.wixproj --configuration Release --no-restore
 
       - name: Upload MSI artifact
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: SVNPathCopy-Installer
           path: src/SVNPathCopy.Installer/bin/x64/Release/*.msi