test against ruby 3.4 in CI (#3598)

Co-authored-by: Jon Rohan <rohan@github.com>

Author: joelhawksley

.github/workflows/test.yml

@@ -30,7 +30,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1
       with:
-        ruby-version: '3.3'
+        ruby-version: '3.4'
         bundler-cache: true
     - uses: actions/setup-node@v4
       with:
@@ -56,10 +56,10 @@ jobs:
             ruby_version: "3.2"
           - rails_version: "7.1.3"
             ruby_version: "3.3"
-          - rails_version: "main"
-            ruby_version: "3.2"
           - rails_version: "main"
             ruby_version: "3.3"
+          - rails_version: "main"
+            ruby_version: "3.4"
     steps:
     - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1
@@ -98,10 +98,10 @@ jobs:
             ruby_version: "3.2"
           - rails_version: "7.1.3"
             ruby_version: "3.3"
-          - rails_version: "main"
-            ruby_version: "3.2"
           - rails_version: "main"
             ruby_version: "3.3"
+          - rails_version: "main"
+            ruby_version: "3.4"
     steps:
     - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1
@@ -140,10 +140,10 @@ jobs:
             ruby_version: "3.2"
           - rails_version: "7.1.3"
             ruby_version: "3.3"
-          - rails_version: "main"
-            ruby_version: "3.2"
           - rails_version: "main"
             ruby_version: "3.3"
+          - rails_version: "main"
+            ruby_version: "3.4"
     steps:
     - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1

test/performance/bench_octicons.rb

@@ -17,7 +17,7 @@ def setup
   def bench_allocations_without_cache
     Primer::Beta::Octicon.new(**@options)
     Primer::Octicon::Cache.clear!
-    assert_allocations "3.4" => 26, "3.3" => 26, "3.2" => 26, "3.1" => 28, "3.0" => 28 do
+    assert_allocations "3.4" => 25, "3.3" => 26, "3.2" => 26, "3.1" => 28, "3.0" => 28 do
       Primer::Beta::Octicon.new(**@options)
     end
   ensure
@@ -26,7 +26,7 @@ def bench_allocations_without_cache
 
   def bench_allocations_with_cache
     Primer::Octicon::Cache.preload!
-    assert_allocations "3.4" => 10, "3.3" => 10, "3.2" => 10, "3.1" => 11, "3.0" => 11 do
+    assert_allocations "3.4" => 9, "3.3" => 10, "3.2" => 10, "3.1" => 11, "3.0" => 11 do
       Primer::Beta::Octicon.new(**@options)
     end
   end