Bump propshaft from 0.8.0 to 0.9.1

Bumps [propshaft](https://github.com/rails/propshaft) from 0.8.0 to 0.9.1.
- [Release notes](https://github.com/rails/propshaft/releases)
- [Commits](rails/propshaft@v0.8.0...v0.9.1)

---
updated-dependencies:
- dependency-name: propshaft
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -328,7 +328,7 @@ GEM
       racc
     pg (1.5.6)
     prettier_print (1.2.1)
-    propshaft (0.8.0)
+    propshaft (0.9.1)
       actionpack (>= 7.0.0)
       activesupport (>= 7.0.0)
       rack