[pre-commit.ci] pre-commit autoupdate (ECP-WarpX#5393)

<!--pre-commit.ci start-->
updates:
- [github.com/mgedmin/check-manifest: 0.49 →
0.50](mgedmin/check-manifest@0.49...0.50)
<!--pre-commit.ci end-->

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

.pre-commit-config.yaml

@@ -89,7 +89,7 @@ repos:
 
 # Checks the manifest for missing files (native support)
 - repo: https://github.com/mgedmin/check-manifest
-  rev: "0.49"
+  rev: "0.50"
   hooks:
   - id: check-manifest
     # This is a slow hook, so only run this if --hook-stage manual is passed