Enable "check-shebang-scripts-are-executable" pre-commit hook and apply fixes

Author: ulgens

.pre-commit-config.yaml

@@ -12,6 +12,7 @@ repos:
           - id: check-executables-have-shebangs
           - id: check-json
           - id: check-merge-conflict
+          - id: check-shebang-scripts-are-executable
           - id: check-toml
           - id: check-yaml
             args: ["--allow-multiple-documents"]