Use self-hosted runners for republish workflow (#33507)

* Update republish_released_docker_containers.yml

* Set up gcloud

Author: damccorm

.github/workflows/republish_released_docker_containers.yml

@@ -38,7 +38,7 @@ env:
 jobs:
 
   build:
-    runs-on: [self-hosted, ubuntu-20.04, highmem]
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -56,6 +56,11 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: '3.9'
+      - name: Authenticate on GCP
+        uses: google-github-actions/setup-gcloud@v0
+        with:
+          service_account_email: ${{ secrets.GCP_SA_EMAIL }}
+          service_account_key: ${{ secrets.GCP_SA_KEY }}
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
       - name: Remove default github maven configuration