fix: Correct ref expression in workflow

.github/workflows/hydrun.yaml

@@ -81,7 +81,7 @@ jobs:
         id: extract_branch
         run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
       - name: Publish pre-release to GitHub releases
-        if: ${{ github.ref == github.ref == 'refs/heads/firecracker-v1.7-live-migration-and-msync' || github.ref == 'refs/heads/firecracker-v1.7-live-migration-pvm-and-msync' || github.ref == 'refs/heads/main-live-migration-and-msync' }}
+        if: ${{ github.ref == 'refs/heads/firecracker-v1.7-live-migration-and-msync' || github.ref == 'refs/heads/firecracker-v1.7-live-migration-pvm-and-msync' || github.ref == 'refs/heads/main-live-migration-and-msync' }}
         uses: softprops/action-gh-release@v2
         with:
           tag_name: release-${{ steps.extract_branch.outputs.branch }}