Update alpha publish (#6760)

.github/workflows/publish.yaml

@@ -12,34 +12,35 @@ jobs:
     steps:
       - name: Check out code
         uses: actions/checkout@v4
-      
+
       - name: Set up Node.js 18.x
         uses: actions/setup-node@v4
         with:
           node-version: 18.x
           cache: 'npm'
           registry-url: 'https://registry.npmjs.org/'
 
-      - name: Install Dependencies
-        run: npm install
-
-      - name: Build PlayCanvas
-        run: npm run build
-
-      - name: Run Publint
-        run: npm run publint
-
       - name: Determine pre-release tag
         id: release-tag
         run: |
           TAG_NAME=${GITHUB_REF#refs/tags/}
           echo "Detected tag: $TAG_NAME"
           if [[ "$TAG_NAME" == *-alpha.* ]]; then
             echo "tag=alpha" >> $GITHUB_ENV
+            npm version --no-git-tag-version $TAG_NAME
           else
             echo "tag=latest" >> $GITHUB_ENV
           fi
-      
+
+      - name: Install Dependencies
+        run: npm install
+
+      - name: Build PlayCanvas
+        run: npm run build
+
+      - name: Run Publint
+        run: npm run publint
+
       - name: Publish to npm
         run: npm publish --tag ${{ env.tag }}
         env: