read version from tag

Author: TrisNol

.github/workflows/release.yml

@@ -27,6 +27,6 @@ jobs:
           release_name: Release ${{ github.ref }}
           body: |
             To download execute the following statement:
-            pip install git+https://github.com/TrisNol/python-sample-package@$RELEASE_VERSION
+            pip install git+https://github.com/TrisNol/python-sample-package@${{ env.RELEASE_VERSION }}
           draft: false
           prerelease: false