Add Ruby 3.4 to Mastodon 4.3 test matrix (mastodon#34028)

Author: ClearlyClaire

.github/actions/setup-ruby/action.yml

@@ -21,3 +21,4 @@ runs:
       with:
         ruby-version: ${{ inputs.ruby-version }}
         bundler-cache: true
+        cache-version: 4.3

.github/workflows/test-ruby.yml

@@ -127,6 +127,7 @@ jobs:
           - '3.1'
           - '3.2'
           - '.ruby-version'
+          - '3.4'
     steps:
       - uses: actions/checkout@v4
 
@@ -229,6 +230,7 @@ jobs:
           - '3.1'
           - '3.2'
           - '.ruby-version'
+          - '3.4'
     steps:
       - uses: actions/checkout@v4
 
@@ -308,6 +310,7 @@ jobs:
           - '3.1'
           - '3.2'
           - '.ruby-version'
+          - '3.4'
 
     steps:
       - uses: actions/checkout@v4
@@ -425,6 +428,7 @@ jobs:
           - '3.1'
           - '3.2'
           - '.ruby-version'
+          - '3.4'
         search-image:
           - docker.elastic.co/elasticsearch/elasticsearch:7.17.13
         include:

Gemfile.lock

@@ -270,11 +270,11 @@ GEM
     ffi-compiler (1.3.2)
       ffi (>= 1.15.5)
       rake
-    flatware (2.3.3)
+    flatware (2.3.4)
       drb
       thor (< 2.0)
-    flatware-rspec (2.3.3)
-      flatware (= 2.3.3)
+    flatware-rspec (2.3.4)
+      flatware (= 2.3.4)
       rspec (>= 3.6)
     fog-core (2.5.0)
       builder
@@ -1065,4 +1065,4 @@ RUBY VERSION
    ruby 3.3.4p94
 
 BUNDLED WITH
-   2.5.18
+   2.6.5