Add pre-commit hooks to validate GitHub Actions content

Add hooks to validate GitHub Actions and GitHub Action workflows. These
are validated using JSON Schemas.

Author: mcdonnnj

.pre-commit-config.yaml

@@ -47,6 +47,13 @@ repos:
         args:
           - --strict
 
+  # GitHub Actions hooks
+  - repo: https://github.com/python-jsonschema/check-jsonschema
+    rev: 0.14.2
+    hooks:
+      - id: check-github-actions
+      - id: check-github-workflows
+
   # pre-commit hooks
   - repo: https://github.com/pre-commit/pre-commit
     rev: v2.17.0