Update build.yml

.github/workflows/build.yml

@@ -8,6 +8,8 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    env:
+      TAG_NAME: $(date +%Y_%m_%d_%H_%M)
     permissions:
       contents: write
     steps:
@@ -22,12 +24,16 @@ jobs:
       - name: Test
         run: |
           echo ${{ github.sha }}
-          echo $(date +%Y_%m_%d_%H_%M)
+          echo $TAG_NAME
+      - name: Create Tag
+        run: |
+          git tag $TAG_NAME
+          git push origin $TAG_NAME
       - uses: ncipollo/release-action@v1
         with:
           allowUpdates: True
           omitBody: True
           commit: ${{ github.sha }}
-          tag: $(date +%Y_%m_%d_%H_%M)
+          tag: $TAG_NAME
           artifacts: "Makefile"
           token: ${{ secrets.GITHUB_TOKEN }}