fixing build pipeline to do security scan and docker build together

.gitea/workflows/docker-build.yaml

@@ -1,25 +1,18 @@
 name: Build and Push Docker Image
 
 on:
-  workflow_run:
-    workflows:
-      - Security
-    types:
-      - completed
+  workflow_dispatch:
 
 permissions:
   contents: read
 
 jobs:
   build:
-    if: ${{ gitea.event.workflow_run.event == 'push' && gitea.event.workflow_run.conclusion == 'success' }}
     runs-on: ubuntu-latest
 
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-        with:
-          ref: ${{ gitea.event.workflow_run.head_sha }}
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -33,7 +26,7 @@ jobs:
       - name: Compute image tag
         id: tag
         run: |
-          BRANCH="${{ gitea.event.workflow_run.head_branch }}"
+          BRANCH="${{ gitea.ref_name }}"
 
           if [ "$BRANCH" = "main" ]; then
             TAG="latest"