fix(ci): Fix image tag

Author: PerfectSlayer

.github/workflows/update-docker-build-image.yaml

@@ -4,12 +4,15 @@ on:
   schedule:
     # A day after creating the tag from https://github.com/DataDog/dd-trace-java-docker-build/blob/master/.github/workflows/docker-tag.yml
     - cron: '0 0 1 2,5,8,11 *'
+  push:
+    branches:
+      - bbujon/gh-workflows
   workflow_dispatch:
     inputs:
       tag:
         description: 'The tag to use for the Docker build image'
         required: true
-        default: 'vYY.MM-base'
+        default: 'vYY.MM'
 
 jobs:
   update-docker-build-image:
@@ -46,7 +49,7 @@ jobs:
               08|09|10) TAG_DATE="${CURRENT_YEAR}.07" ;;
               11|12) TAG_DATE="${CURRENT_YEAR}.10" ;;
             esac
-            TAG="v${TAG_DATE}-base"
+            TAG="v${TAG_DATE}"
           fi
           echo "tag=${TAG}" >> "$GITHUB_OUTPUT"
           echo "::notice::Using Docker build image tag: ${TAG}"
@@ -55,7 +58,7 @@ jobs:
           sed -i 's|DOCKER_IMAGE_VERSION=.*|DOCKER_IMAGE_VERSION="${{ steps.define-tag.outputs.tag }}"|' .circleci/render_config.py
       - name: Update the Docker build image in GitLab CI config
         run: |
-          sed -i 's|image: ghcr.io/datadog/dd-trace-java-docker-build:.*|image: ghcr.io/datadog/dd-trace-java-docker-build:${{ steps.define-tag.outputs.tag }}|' .gitlab-ci.yml
+          sed -i 's|image: ghcr.io/datadog/dd-trace-java-docker-build:.*|image: ghcr.io/datadog/dd-trace-java-docker-build:${{ steps.define-tag.outputs.tag }}-base|' .gitlab-ci.yml
       - name: Commit and push changes
         env:
           GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}