Bump actions/upload-artifact from 3 to 4 (#7065)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/android-build.yml

@@ -32,7 +32,7 @@ jobs:
         tar -cvf z3-build-${{ matrix.android-abi }}.tar *.jar *.so
 
     - name: Archive production artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: android-build-${{ matrix.android-abi }}
         path: build/z3-build-${{ matrix.android-abi }}.tar

.github/workflows/coverage.yml

@@ -91,13 +91,13 @@ jobs:
       id: date
       run: echo "::set-output name=date::$(date +'%Y-%m-%d')"
 
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: coverage-${{steps.date.outputs.date}}
         path: ${{github.workspace}}/coverage.html
         retention-days: 4
 
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: coverage-details-${{steps.date.outputs.date}}
         path: ${{env.COV_DETAILS_PATH}}