Add actionlint to pre-commit and fix shellcheck warning

Author: brainsik

.github/workflows/main.yml

@@ -43,4 +43,4 @@ jobs:
         run: ci/install-binary.sh tflint
 
       - name: Run pre-commit tests
-        run: PATH="~/bin:$PATH" pre-commit run --all-files
+        run: PATH="$HOME/bin:$PATH" pre-commit run --all-files

.pre-commit-config.yaml

@@ -12,6 +12,11 @@ repos:
           - --autofix
       - id: trailing-whitespace
 
+  - repo: https://github.com/rhysd/actionlint
+    rev: v1.7.7
+    hooks:
+      - id: actionlint
+
   - repo: https://github.com/igorshubovych/markdownlint-cli
     rev: v0.45.0
     hooks: