Hook to run packit validate-config (#37)

Fixes #36
Requires: packit/packit#1957

.pre-commit-config.yaml

@@ -4,7 +4,7 @@
 
 repos:
 -   repo: https://github.com/psf/black
-    rev: 23.1.0
+    rev: 23.3.0
     hooks:
     - id: black
 -   repo: https://github.com/pre-commit/pre-commit-hooks
@@ -13,14 +13,18 @@ repos:
     - id: check-yaml
     - id: end-of-file-fixer
     - id: trailing-whitespace
+    - id: check-ast
+    - id: check-builtin-literals
+    - id: check-docstring-first
+    - id: check-merge-conflict
+    - id: mixed-line-ending
 -   repo: https://github.com/PyCQA/flake8
     rev: 6.0.0
     hooks:
     - id: flake8
       args:
         - --max-line-length=100
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.1.1
+    rev: v1.2.0
     hooks:
     -   id: mypy
-        args: [--no-strict-optional, --ignore-missing-imports]

.pre-commit-hooks.yaml

@@ -5,3 +5,9 @@
     language: script
     always_run: true
     args: [upstream_url]
+-   id: validate-config
+    name: Validate package config
+    description: Check for missing values and incorrect types
+    entry: quay.io/packit/packit:latest packit -d validate-config
+    language: docker_image
+    files: ^\.?packit.ya?ml$