ci(pre-commit.ci): perform pre-commit autoupdate

updates:
- [github.com/myint/rstcheck: 3f929574 → v6.0.0.post1](rstcheck/rstcheck@3f92957...v6.0.0.post1)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -51,7 +51,7 @@ repos:
         name: Check Salt files using salt-lint
         files: ^.*\.(sls|jinja|j2|tmpl|tst)$
   - repo: https://github.com/myint/rstcheck
-    rev: 3f929574
+    rev: v6.0.0.post1
     hooks:
       - id: rstcheck
         name: Check reST files using rstcheck