ci: bump actions/upload-artifact from 3.1.1 to 4.0.0

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3.1.1 to 4.0.0.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3.1.1...v4.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/integration-tests-h2.yml

@@ -37,7 +37,7 @@ jobs:
         run: ./src/main/scripts/execute-command.sh integration-tests
       - name: Save RobotFramework reports
         if: ${{ failure() }}
-        uses: actions/upload-artifact@v3.1.1 # https://github.com/actions/upload-artifact
+        uses: actions/upload-artifact@v4.0.0 # https://github.com/actions/upload-artifact
         with:
           name: robotframework-reports
           path: target/robotframework-reports/

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

@@ -78,7 +78,7 @@ jobs:
           ./src/main/scripts/execute-command.sh integration-tests
       - name: Save RobotFramework reports
         if: ${{ failure() }}
-        uses: actions/upload-artifact@v3.1.1 # https://github.com/actions/upload-artifact
+        uses: actions/upload-artifact@v4.0.0 # https://github.com/actions/upload-artifact
         with:
           name: robotframework-reports
           path: target/robotframework-reports/

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

@@ -55,7 +55,7 @@ jobs:
         run: ./src/main/scripts/execute-command.sh integration-tests
       - name: Save RobotFramework reports
         if: ${{ failure() }}
-        uses: actions/upload-artifact@v3.1.1 # https://github.com/actions/upload-artifact
+        uses: actions/upload-artifact@v4.0.0 # https://github.com/actions/upload-artifact
         with:
           name: robotframework-reports
           path: target/robotframework-reports/