Bump psych from 5.1.2 to 5.2.0 (#178)

Bumps [psych](https://github.com/ruby/psych) from 5.1.2 to 5.2.0.
- [Release notes](https://github.com/ruby/psych/releases)
- [Commits](ruby/psych@v5.1.2...v5.2.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -166,7 +166,7 @@ GEM
     parser (3.3.5.1)
       ast (~> 2.4.1)
       racc
-    psych (5.1.2)
+    psych (5.2.0)
       stringio
     puma (6.4.3)
       nio4r (~> 2.0)
@@ -280,7 +280,7 @@ GEM
       net-scp (>= 1.1.2)
       net-sftp (>= 2.1.2)
       net-ssh (>= 2.8.0)
-    stringio (3.1.1)
+    stringio (3.1.2)
     thor (1.3.2)
     tilt (2.3.0)
     tilt-jbuilder (0.7.1)