Update CI matrix, silence Rubocop for RSpec built-in method

Author: Envek

.github/workflows/test.yml

@@ -14,10 +14,14 @@ jobs:
     # Skip running tests for local pull requests (use push event instead), run only for foreign ones
     if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.owner.login != github.event.pull_request.base.repo.owner.login
     runs-on: ubuntu-latest
+    continue-on-error: ${{ matrix.optional || false }}
     strategy:
       fail-fast: false
       matrix:
         include:
+          - ruby: head
+            optional: true
+          - ruby: "3.4"
           - ruby: "3.3"
           - ruby: "3.2"
           - ruby: "3.1"

lib/yabeda/rspec/base_matcher.rb

@@ -36,7 +36,7 @@ def initialize(metric)
       end
 
       # RSpec doesn't define this method, but it is more convenient to rely on +match_when_negated+ method presence
-      def does_not_match?(actual)
+      def does_not_match?(actual) # rubocop:disable Naming/PredicatePrefix
         @actual = actual
         if respond_to?(:match_when_negated)
           match_when_negated(expected, actual)