Bump psych from 5.1.1.1 to 5.1.2 in /updater

Bumps [psych](https://github.com/ruby/psych) from 5.1.1.1 to 5.1.2.
- [Release notes](https://github.com/ruby/psych/releases)
- [Commits](ruby/psych@v5.1.1.1...v5.1.2)

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

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

updater/Gemfile.lock

@@ -271,7 +271,7 @@ GEM
     parser (3.2.2.4)
       ast (~> 2.4.1)
       racc
-    psych (5.1.1.1)
+    psych (5.1.2)
       stringio
     public_suffix (5.0.3)
     racc (1.7.3)
@@ -335,7 +335,7 @@ GEM
       concurrent-ruby (~> 1.0, >= 1.0.2)
     sorbet-runtime (0.5.11193)
     stackprof (0.2.25)
-    stringio (3.0.8)
+    stringio (3.1.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     toml-rb (2.2.0)