Merge pull request #60 from hayat01sh1da/hayat01sh1da/ruby/bump-ruby-to-4.0.5-and-bundler-to-4.0.12

[ruby] Bump Ruby to 4.0.5 and Gemfile/Bundler to 4.0.12

Author: hayat01sh1da

.ruby-version

@@ -1 +1 @@
-4.0.4
+4.0.5

SECURITY.md

@@ -8,7 +8,9 @@
 | Component     | Version(s) / Tooling               | Notes                                                                                    |
 | ------------- | ---------------------------------- | ---------------------------------------------------------------------------------------- |
 | OS baseline   | WSL (Ubuntu 25.10)                 | Shared environment across tracks.                                                        |
-| Ruby sorter   | Ruby 4.0.2 (`.ruby-version`)       | Uses Ruby stdlib (`JSON`, `FileUtils`). Declare extra gems if introduced.                |
+| Ruby sorter   | Ruby 4.0.5 (`.ruby-version`)       | Uses Ruby stdlib (`JSON`, `FileUtils`). Declare extra gems if introduced.                |
+| Gemfile       | 4.0.12                             | Per-project dependency manifest; versions install via Bundler.                           |
+| Bundler       | 4.0.12                             | Resolves and installs the gems declared in the Gemfile.                                  |
 | Python sorter | CPython 3.14.5 (`.python-version`) | Uses Python stdlib (`json`, `argparse`). Add `requirements.txt` for third-party modules. |
 
 ## Backward Compatibility

ruby/Gemfile.lock

@@ -113,7 +113,7 @@ DEPENDENCIES
 
 CHECKSUMS
   ast (2.4.3) sha256=954615157c1d6a382bc27d690d973195e79db7f55e9765ac7c481c60bdb4d383
-  bundler (4.0.11) sha256=5bcec0fb78302e48d02ee46f10ee6e6942be647ba5b44a6d1ddfda9a240ce785
+  bundler (4.0.12) sha256=7f8b757d28dfb636e7b24fba2344ac6dd13b5b24f4b46d62573d483f211825ac
   concurrent-ruby (1.3.6) sha256=6b56837e1e7e5292f9864f34b69c5a2cbc75c0cf5338f1ce9903d10fa762d5ab
   csv (3.3.5) sha256=6e5134ac3383ef728b7f02725d9872934f523cb40b961479f69cf3afa6c8e73f
   ffi (1.17.4) sha256=bcd1642e06f0d16fc9e09ac6d49c3a7298b9789bcb58127302f934e437d60acf
@@ -158,4 +158,4 @@ CHECKSUMS
   uri (1.1.1) sha256=379fa58d27ffb1387eaada68c749d1426738bd0f654d812fcc07e7568f5c57c6
 
 BUNDLED WITH
-  4.0.11
+  4.0.12

ruby/README.md

@@ -1,6 +1,8 @@
 ## 1. Environment
 
-- Ruby 4.0.4
+- Ruby 4.0.5
+- Gemfile 4.0.12
+- Bundler 4.0.12
 
 ## 2. Install Gems via Gemfile and Bundler