[pre-commit.ci] pre-commit autoupdate

updates:
- https://github.com/myint/rstcheck → https://github.com/rstcheck/rstcheck

.pre-commit-config.yaml

@@ -7,7 +7,7 @@ repos:
       - id: mixed-line-ending
         args: [--fix, lf]
       - id: trailing-whitespace
--   repo: https://github.com/myint/rstcheck
+-   repo: https://github.com/rstcheck/rstcheck
     rev: 'v6.1.0'
     hooks:
     -   id: rstcheck