chore(deps): update actions/setup-python action to v7

Author: renovate[bot]

.github/workflows/premerge.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@v7
 
-    - uses: actions/setup-python@v6
+    - uses: actions/setup-python@v7.0.0
 
     - uses: pre-commit/action@v3.0.1