Bump propshaft from 1.2.0 to 1.2.1 in /debug_fasp

Bumps [propshaft](https://github.com/rails/propshaft) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/rails/propshaft/releases)
- [Commits](rails/propshaft@v1.2.0...v1.2.1)

---
updated-dependencies:
- dependency-name: propshaft
  dependency-version: 1.2.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

debug_fasp/Gemfile.lock

@@ -219,7 +219,7 @@ GEM
       prettyprint
     prettyprint (0.2.0)
     prism (1.4.0)
-    propshaft (1.2.0)
+    propshaft (1.2.1)
       actionpack (>= 7.0.0)
       activesupport (>= 7.0.0)
       rack