Fix: use raw tag type to prevent unexpected latest tag

Co-authored-by: neilime <314088+neilime@users.noreply.github.com>

Author: Copilot

actions/docker/get-image-metadata/action.yml

@@ -73,7 +73,7 @@ runs:
         script: |
           const tagInput = `${{ inputs.tag }}`
           if (tagInput.length) {
-            core.setOutput('tags',`type=semver,pattern={{raw}},value=${tagInput}`);
+            core.setOutput('tags',`type=raw,value=${tagInput}`);
             core.setOutput('flavor', 'latest=false');
             return;
           }