Update connection_pool to version 3.0.2 (#38103)

Gemfile.lock

@@ -170,7 +170,7 @@ GEM
     cocoon (1.2.15)
     color_diff (0.2)
     concurrent-ruby (1.3.6)
-    connection_pool (2.5.5)
+    connection_pool (3.0.2)
     cose (1.3.1)
       cbor (~> 0.5.9)
       openssl-signature_algorithm (~> 1.0)

app/lib/connection_pool/shared_connection_pool.rb

@@ -4,7 +4,7 @@ require 'connection_pool'
 require_relative 'shared_timed_stack'
 
 class ConnectionPool::SharedConnectionPool < ConnectionPool
-  def initialize(options = {}, &block)
+  def initialize(**, &block)
     super
 
     @available = ConnectionPool::SharedTimedStack.new(@size, &block)