Fix indentation and remove unnecessary variable assignment in versioning step

Author: sigdelsanjog

.github/workflows/publish-on-push.yml

@@ -25,8 +25,8 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           python -m pip install build twine
-
-        - name: Set semantic version for this push
+          
+      - name: Set semantic version for this push
         env:
           RUN_NUMBER: ${{ github.run_number }}
         run: |
@@ -41,7 +41,6 @@ jobs:
           if not re.search(r'^version\s*=\s*"([^"]+)"', content, flags=re.MULTILINE):
               raise SystemExit("Could not find [project].version in pyproject.toml")
 
-          run_number = int(os.environ["RUN_NUMBER"])
           if run_number < 1:
             raise SystemExit("RUN_NUMBER must be >= 1")