also run shellcheck

.pre-commit-config.yaml

@@ -17,7 +17,13 @@ repos:
       - id: forbid-new-submodules                # prevents addition of new git submodules.
       - id: mixed-line-ending                    # replaces or checks mixed line ending.
         args: ["--fix", "no"]
+
+  - repo: https://github.com/jumanjihouse/pre-commit-hooks.git
+    rev: "2.1.5"
+    hooks:
+      - id: shellcheck
+
   - repo: https://code.robertkosten.de/rkosten/pre-commit-hooks.git
-    rev: e2096d96eab5733da24ae0d34ae97b19f4895efe
+    rev: "0.1.0"
     hooks:
       - id: shellharden