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/bench.yml

@@ -100,14 +100,14 @@ jobs:
         tar -czf cabal.tar.gz *
 
     - name: Upload workspace
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v7
       with:
         name: workspace-${{ matrix.ghc }}-${{ matrix.os }}
         retention-days: 1
         path: workspace.tar.gz
 
     - name: Upload .cabal
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v7
       with:
         name: cabal-home-${{ matrix.ghc }}-${{ matrix.os }}
         retention-days: 1
@@ -165,7 +165,7 @@ jobs:
       run:  find bench-results -name "*.csv" -or -name "*.svg" -or -name "*.html" | xargs tar -czf benchmark-artifacts.tar.gz
 
     - name: Archive benchmarking artifacts
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v7
       with:
         name: bench-results-${{ matrix.example }}-${{ runner.os }}-${{ matrix.ghc }}
         path: benchmark-artifacts.tar.gz
@@ -175,7 +175,7 @@ jobs:
       run: find bench-results -name "*.log" -or -name "*.hp" | xargs tar -czf benchmark-logs.tar.gz
 
     - name: Archive benchmark logs
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v7
       with:
         name: bench-logs-${{ matrix.example }}-${{ runner.os }}-${{ matrix.ghc }}
         path: benchmark-logs.tar.gz