Merge pull request #5826 from epompeii/bencher

Slugify `github.repository` for Bencher

.github/workflows/bench-baseline.yml

@@ -36,7 +36,7 @@ jobs:
     - name: Report
       run: |
         bencher run \
-        --project "${{ github.repository }}" \
+        --project $(echo "${{ github.repository }}" | sed 's/\//-/g') \
         --branch "${{ github.ref_name }}" \
         --testbed "${{ matrix.os }}" \
         --token '${{ secrets.BENCHER_API_TOKEN }}' \