Bump rackup from 2.2.1 to 2.3.0 (#4992)

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

Author: dependabot[bot]

Gemfile.lock

@@ -331,7 +331,7 @@ GEM
     rack-test (2.2.0)
       rack (>= 1.3)
     rack-timeout (0.7.0)
-    rackup (2.2.1)
+    rackup (2.3.0)
       rack (>= 3)
     rails (8.1.1)
       actioncable (= 8.1.1)
@@ -758,7 +758,7 @@ CHECKSUMS
   rack-session (2.1.1) sha256=0b6dc07dea7e4b583f58a48e8b806d4c9f1c6c9214ebc202ec94562cbea2e4e9
   rack-test (2.2.0) sha256=005a36692c306ac0b4a9350355ee080fd09ddef1148a5f8b2ac636c720f5c463
   rack-timeout (0.7.0) sha256=757337e9793cca999bb73a61fe2a7d4280aa9eefbaf787ce3b98d860749c87d9
-  rackup (2.2.1) sha256=f737191fd5c5b348b7f0a4412a3b86383f88c43e13b8217b63d4c8d90b9e798d
+  rackup (2.3.0) sha256=47c179a3593685cd80cf984917b57de8be4ce03aa7d230f016046142318b4b72
   rails (8.1.1) sha256=877509b7aef309239978685883097d2c03e21383a50a3f78882cf9b3b5c136f7
   rails-controller-testing (1.0.5) sha256=741448db59366073e86fc965ba403f881c636b79a2c39a48d0486f2607182e94
   rails-dom-testing (2.3.0) sha256=8acc7953a7b911ca44588bf08737bc16719f431a1cc3091a292bca7317925c1d