Upgrade actions/upload-artifact v4.1.0 -> v4.2.0 (#982)

See:
- https://github.com/actions/upload-artifact/releases/tag/v4.2.0

.github/workflows/pitest-analyze-pr.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Aggregate Pitest reports
         run: mvn pitest-git:aggregate -DkilledEmoji=":tada:" -DmutantEmoji=":zombie:" -DtrailingText="Mutation testing report by [Pitest](https://pitest.org/). Review any surviving mutants by inspecting the line comments under [_Files changed_](${{ github.event.number }}/files)."
       - name: Upload Pitest reports as artifact
-        uses: actions/upload-artifact@1eb3cb2b3e0f29609092a73eb033bb759a334595 # v4.1.0
+        uses: actions/upload-artifact@694cdabd8bdb0f10b2cea11669e1bf5453eed0a6 # v4.2.0
         with:
           name: pitest-reports
           path: ./target/pit-reports-ci

.github/workflows/run-integration-tests.yml

@@ -31,7 +31,7 @@ jobs:
         run: xvfb-run ./integration-tests/checkstyle-10.12.4.sh "${{ runner.temp }}/artifacts"
       - name: Upload artifacts on failure
         if: ${{ failure() }}
-        uses: actions/upload-artifact@1eb3cb2b3e0f29609092a73eb033bb759a334595 # v4.1.0
+        uses: actions/upload-artifact@694cdabd8bdb0f10b2cea11669e1bf5453eed0a6 # v4.2.0
         with:
           name: integration-test-checkstyle-10.12.4
           path: "${{ runner.temp }}/artifacts"