Revert "add latest tag"

This reverts commit 1d0d994.

Author: vbvictor

.github/workflows/pr-code-format.yml

@@ -13,7 +13,7 @@ jobs:
   code_formatter:
     runs-on: ubuntu-24.04
     container:
-      image: 'ghcr.io/llvm/ci-ubuntu-24.04-format-fix-gha:latest'
+      image: 'ghcr.io/llvm/ci-ubuntu-24.04-format-fix-gha'
     timeout-minutes: 30
     concurrency:
       group: ${{ github.workflow }}-${{ github.event.pull_request.number }}