Bump importmap-rails from 1.1.6 to 1.2.1

Bumps [importmap-rails](https://github.com/rails/importmap-rails) from 1.1.6 to 1.2.1.
- [Release notes](https://github.com/rails/importmap-rails/releases)
- [Commits](rails/importmap-rails@v1.1.6...v1.2.1)

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

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

Gemfile.lock

@@ -126,9 +126,9 @@ GEM
       activesupport (>= 5.2)
     heroicon (1.0.0)
       rails (>= 5.2)
-    i18n (1.13.0)
+    i18n (1.14.1)
       concurrent-ruby (~> 1.0)
-    importmap-rails (1.1.6)
+    importmap-rails (1.2.1)
       actionpack (>= 6.0.0)
       railties (>= 6.0.0)
     io-console (0.6.0)
@@ -166,7 +166,7 @@ GEM
     matrix (0.4.2)
     method_source (1.0.0)
     mini_mime (1.1.2)
-    minitest (5.18.0)
+    minitest (5.18.1)
     msgpack (1.6.0)
     net-imap (0.3.4)
       date
@@ -193,7 +193,7 @@ GEM
     public_suffix (5.0.1)
     puma (6.3.0)
       nio4r (~> 2.0)
-    racc (1.7.0)
+    racc (1.7.1)
     rack (2.2.7)
     rack-test (2.1.0)
       rack (>= 1.3)