Bump importmap-rails from 2.0.1 to 2.0.3

Bumps [importmap-rails](https://github.com/rails/importmap-rails) from 2.0.1 to 2.0.3.
- [Release notes](https://github.com/rails/importmap-rails/releases)
- [Commits](rails/importmap-rails@v2.0.1...v2.0.3)

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

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

Gemfile.lock

@@ -162,7 +162,7 @@ GEM
       activesupport (>= 5.2)
     i18n (1.14.6)
       concurrent-ruby (~> 1.0)
-    importmap-rails (2.0.1)
+    importmap-rails (2.0.3)
       actionpack (>= 6.0.0)
       activesupport (>= 6.0.0)
       railties (>= 6.0.0)
@@ -226,7 +226,7 @@ GEM
     puma (6.4.3)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (3.1.7)
+    rack (3.1.8)
     rack-session (2.0.0)
       rack (>= 3.0.0)
     rack-test (2.1.0)
@@ -339,7 +339,7 @@ GEM
     websocket-extensions (0.1.5)
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    zeitwerk (2.6.18)
+    zeitwerk (2.7.0)
 
 PLATFORMS
   x86_64-linux