MAINT: update pip constraints and pre-commit

updates:
- [github.com/ComPWA/policy: 0.3.4 → 0.3.9](ComPWA/policy@0.3.4...0.3.9)
- [github.com/pre-commit/pre-commit-hooks: v4.5.0 → v4.6.0](pre-commit/pre-commit-hooks@v4.5.0...v4.6.0)
- [github.com/psf/black-pre-commit-mirror: 24.3.0 → 24.4.2](psf/black-pre-commit-mirror@24.3.0...24.4.2)

.pre-commit-config.yaml

@@ -37,7 +37,7 @@ repos:
             metadata.vscode
 
   - repo: https://github.com/ComPWA/policy
-    rev: 0.3.4
+    rev: 0.3.9
     hooks:
       - id: check-dev-files
         args:
@@ -61,7 +61,7 @@ repos:
         args: [--py38-plus]
 
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.5.0
+    rev: v4.6.0
     hooks:
       - id: check-case-conflict
       - id: check-json
@@ -89,7 +89,7 @@ repos:
           - --in-place
 
   - repo: https://github.com/psf/black-pre-commit-mirror
-    rev: 24.3.0
+    rev: 24.4.2
     hooks:
       - id: black-jupyter
         args: [--line-length=85]