chore(deps): update gsoci.azurecr.io/giantswarm/golang docker tag to v1.25.3 (#1518)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/aws_azs.yaml

@@ -6,7 +6,7 @@ on:
 jobs:
   import_new_regions_and_zones:
     runs-on: ubuntu-24.04
-    container: gsoci.azurecr.io/giantswarm/golang:1.25.2
+    container: gsoci.azurecr.io/giantswarm/golang:1.25.3
     steps:
       - name: Check out the code
         uses: actions/checkout@v5