pre-commit: bump repositories

updates:
- [github.com/abravalheri/validate-pyproject: v0.19 → v0.20.2](abravalheri/validate-pyproject@v0.19...v0.20.2)
- [github.com/astral-sh/ruff-pre-commit: v0.6.7 → v0.6.8](astral-sh/ruff-pre-commit@v0.6.7...v0.6.8)

.pre-commit-config.yaml

@@ -17,7 +17,7 @@ repos:
       - id: end-of-file-fixer
       - id: trailing-whitespace
   - repo: https://github.com/abravalheri/validate-pyproject
-    rev: v0.19
+    rev: v0.20.2
     hooks:
       - id: validate-pyproject
   - repo: https://github.com/asottile/blacken-docs
@@ -30,7 +30,7 @@ repos:
     hooks:
       - id: prettier
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.6.7
+    rev: v0.6.8
     hooks:
       - id: ruff
         args: [--fix, --show-fixes]