Bump debug from 1.9.0 to 1.9.1 in /graph-sample

Bumps [debug](https://github.com/ruby/debug) from 1.9.0 to 1.9.1.
- [Release notes](https://github.com/ruby/debug/releases)
- [Commits](ruby/debug@v1.9.0...v1.9.1)

---
updated-dependencies:
- dependency-name: debug
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

graph-sample/Gemfile.lock

@@ -104,7 +104,7 @@ GEM
     connection_pool (2.4.1)
     crass (1.0.6)
     date (3.3.4)
-    debug (1.9.0)
+    debug (1.9.1)
       irb (~> 1.10)
       reline (>= 0.3.8)
     drb (2.2.0)
@@ -127,7 +127,7 @@ GEM
       activesupport (>= 6.0.0)
       railties (>= 6.0.0)
     io-console (0.7.1)
-    irb (1.10.1)
+    irb (1.11.0)
       rdoc
       reline (>= 0.3.8)
     jbuilder (2.11.5)
@@ -179,7 +179,7 @@ GEM
     omniauth-rails_csrf_protection (1.0.1)
       actionpack (>= 4.2)
       omniauth (~> 2.0)
-    psych (5.1.1.1)
+    psych (5.1.2)
       stringio
     public_suffix (5.0.1)
     puma (6.4.0)