Update gem dependencies (#33)

Author: gap777

.github/workflows/ci.yml

@@ -10,8 +10,7 @@ jobs:
     strategy:
       matrix:
         ruby:
-          - 3.1
-          - 3.2
+          - 3.4
     env:
       BUNDLE_GEMFILE: Gemfile
     name: "RSpec tests: Ruby ${{ matrix.ruby }}"

.ruby-version

@@ -1 +1 @@
-3.3.4
+3.4.7