fix: correct syntax errors in build workflow

- Fix unclosed quote on line 13
- Remove malformed git checkout command on line 39

.gitea/workflows/build.yaml

@@ -10,7 +10,7 @@ jobs:
     steps:
     - name: Trigger BuildKit Build
       run: |
-        echo "Building commit: \"
+        echo "Building commit: ${GITHUB_SHA}"
         
         # Delete old job
         kubectl delete job build-manoon-headless-action -n gitea --ignore-not-found=true 2>/dev/null || true
@@ -36,7 +36,7 @@ jobs:
                 - |
                   set -e
                   git clone --depth 1 http://gitea:3000/unchained/manoon-headless.git /workspace
-                  cd /workspace && git checkout                   echo "Building: $(git rev-parse --short HEAD)"
+                  cd /workspace && echo "Building: $(git rev-parse --short HEAD)"
                 volumeMounts:
                 - name: workspace
                   mountPath: /workspace