fix: use type=raw for Docker tags to preserve v prefix

docker/metadata-action type=semver strips the v prefix, causing
tag mismatch between git tags (v0.1.3) and Docker tags (0.1.3).
Switch to type=raw to pass through the version as-is.

.gitea/workflows/build-push.yaml

@@ -141,8 +141,7 @@ jobs:
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
-            type=semver,pattern={{version}},value=${{ needs.release.outputs.version }}
-            type=semver,pattern={{major}}.{{minor}},value=${{ needs.release.outputs.version }}
+            type=raw,value=${{ needs.release.outputs.version }}
             type=raw,value=latest,enable={{is_default_branch}}
 
       - name: Build and push