[pre-commit.ci] pre-commit autoupdate (#185)

updates:
- [github.com/abravalheri/validate-pyproject: v0.20.2 → v0.21](abravalheri/validate-pyproject@v0.20.2...v0.21)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.pre-commit-config.yaml

@@ -5,7 +5,7 @@ repos:
 #
 
 -   repo: https://github.com/abravalheri/validate-pyproject
-    rev: v0.20.2
+    rev: v0.21
     hooks:
     - id: validate-pyproject
       fail_fast: true