Bump debug from 1.9.0 to 1.9.1 (#519)

* Bump debug from 1.9.0 to 1.9.1

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]>

* Update gemset.nix

---------

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

Gemfile.lock

@@ -98,7 +98,7 @@ 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)
     docile (1.4.0)
@@ -136,7 +136,7 @@ GEM
       mini_magick (>= 4.9.5, < 5)
       ruby-vips (>= 2.0.17, < 3)
     io-console (0.7.1)
-    irb (1.10.1)
+    irb (1.11.0)
       rdoc
       reline (>= 0.3.8)
     json (2.7.1)
@@ -177,7 +177,7 @@ GEM
       ast (~> 2.4.1)
       racc
     pg (1.5.4)
-    psych (5.1.1.1)
+    psych (5.1.2)
       stringio
     puma (6.4.0)
       nio4r (~> 2.0)