Update all Bundler dependencies (2023-08-14) (#42)

Co-authored-by: depfu[bot] <23717796+depfu[bot]@users.noreply.github.com>

Gemfile.lock

@@ -7,6 +7,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.2)
+    base64 (0.1.1)
     diff-lcs (1.5.0)
     docile (1.4.0)
     json (2.6.3)
@@ -33,7 +34,8 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-support (3.12.1)
-    rubocop (1.55.1)
+    rubocop (1.56.0)
+      base64 (~> 0.1.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -52,7 +54,7 @@ GEM
       rubocop (~> 1.33)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
-    rubocop-rspec (2.23.0)
+    rubocop-rspec (2.23.2)
       rubocop (~> 1.33)
       rubocop-capybara (~> 2.17)
       rubocop-factory_bot (~> 2.22)