test: Update ubuntu runner as 20.04 is going away

Signed-off-by: Randy Fay <[email protected]>

Author: rfay

Diff for: .github/workflows/release.yml

@@ -49,7 +49,7 @@ jobs:
         path: _artifacts/
   release:
     # An old release of Ubuntu is chosen for glibc compatibility
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     needs: artifacts-darwin
     timeout-minutes: 20
     # The maximum access is "read" for PRs from public forked repos