Update deploy.yml

properly set the GitHub environment variable (untested)

Author: SableRaf

.github/workflows/deploy.yml

@@ -37,12 +37,12 @@ jobs:
         run: npm run zip
       - name: Set Tag Name
         run: |
-          echo ::set-env name=TAG_NAME::$(date '+%Y-%m-%d-%H%M%S')
+          echo "RELEASE_DATE=$(date '+%Y-%m-%d-%H%M%S')" >> ${GITHUB_ENV}
       - name: Create release
         uses: softprops/action-gh-release@v1
         if: ${{ inputs.make_release }}
         with:
           files: reference.zip
           body: ${{ inputs.description }}
           name: ${{ inputs.title }}
-          tag_name: ${{ env.TAG_NAME }}
+          tag_name: ${{ env.RELEASE_DATE }}