Refactor Docker metadata extraction to remove semver tags for push events and retain tag-based handling

Author: gmag11

.github/workflows/docker-publish.yml

@@ -53,9 +53,7 @@ jobs:
             gmag11/metatrader5_vnc
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
-            type=semver,pattern={{version}},enable=${{ github.event_name == 'push' }}
-            type=semver,pattern={{major}}.{{minor}},enable=${{ github.event_name == 'push' }}
-            type=semver,pattern={{major}},enable=${{ github.event_name == 'push' }}
+            type=ref,event=tag
             type=raw,value=latest
             type=raw,value=${{ github.event.inputs.tag }},enable=${{ github.event_name == 'workflow_dispatch' }}