build(deps): bump actions/upload-artifact from 3 to 4

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>

.github/workflows/benchmark.yml

@@ -55,7 +55,7 @@ jobs:
           mkdir -p benchmark-comment
           cp test-results/benchstat.txt benchmark-comment
           echo ${{ github.event.number }} > benchmark-comment/pr-number
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         if: always ()
         with:
           name: benchmark-comment

.github/workflows/ci.yml

@@ -49,7 +49,7 @@ jobs:
         if: always()
         with:
           file: coverprofile
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         if: always()
         with:
           name: test-results

.github/workflows/oss-fuzz.yml

@@ -27,7 +27,7 @@ jobs:
         oss-fuzz-project-name: 'mtail'
         dry-run: false
     - name: Upload Crash
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: failure() && steps.build.outcome == 'success'
       with:
         name: artifacts