Bump importmap-rails from 1.2.3 to 2.0.1

Bumps [importmap-rails](https://github.com/rails/importmap-rails) from 1.2.3 to 2.0.1.
- [Release notes](https://github.com/rails/importmap-rails/releases)
- [Commits](rails/importmap-rails@v1.2.3...v2.0.1)

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

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

Gemfile.lock

@@ -128,7 +128,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     commonmarker (0.23.10)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.2.3)
     crass (1.0.6)
     css_parser (1.14.0)
       addressable
@@ -187,7 +187,7 @@ GEM
     image_processing (1.12.2)
       mini_magick (>= 4.9.5, < 5)
       ruby-vips (>= 2.0.17, < 3)
-    importmap-rails (1.2.3)
+    importmap-rails (2.0.1)
       actionpack (>= 6.0.0)
       activesupport (>= 6.0.0)
       railties (>= 6.0.0)
@@ -224,7 +224,7 @@ GEM
     mini_magick (4.12.0)
     mini_mime (1.1.5)
     mini_portile2 (2.8.5)
-    minitest (5.21.1)
+    minitest (5.21.2)
     msgpack (1.7.2)
     multi_json (1.15.0)
     multi_xml (0.6.0)