Bump rubocop-minitest

We were getting this Rubocop's offense:

```
lib/helpers/deprecator.rb:106:7: C: Minitest/SkipWithoutReason: Add a reason explaining why the test is skipped.
      skip == true
      ^^^^
```

That's because we needed to use the @Skip instance instead.

Author: stefannibrasil

Gemfile

@@ -10,7 +10,7 @@ gem 'minitest', '5.25.4'
 gem 'pry', '0.15.2'
 gem 'rake', '13.2.1'
 gem 'rubocop', '1.69.2'
-gem 'rubocop-minitest', '0.36.0'
+gem 'rubocop-minitest', '0.37.0'
 gem 'rubocop-rake', '0.6.0'
 gem 'simplecov', '0.22.0'
 gem 'test-unit', '3.6.7'

Gemfile.lock

@@ -16,6 +16,7 @@ GEM
       concurrent-ruby (~> 1.0)
     json (2.9.1)
     language_server-protocol (3.17.0.3)
+    lint_roller (1.1.0)
     method_source (1.1.0)
     minitest (5.25.4)
     parallel (1.26.3)
@@ -40,11 +41,12 @@ GEM
       rubocop-ast (>= 1.36.2, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.37.0)
+    rubocop-ast (1.38.1)
       parser (>= 3.3.1.0)
-    rubocop-minitest (0.36.0)
+    rubocop-minitest (0.37.0)
+      lint_roller (~> 1.1)
       rubocop (>= 1.61, < 2.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
+      rubocop-ast (>= 1.38.0, < 2.0)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
     ruby-progressbar (1.13.0)
@@ -64,6 +66,7 @@ GEM
 
 PLATFORMS
   arm64-darwin-22
+  arm64-darwin-24
   x86_64-linux
 
 DEPENDENCIES
@@ -73,7 +76,7 @@ DEPENDENCIES
   pry (= 0.15.2)
   rake (= 13.2.1)
   rubocop (= 1.69.2)
-  rubocop-minitest (= 0.36.0)
+  rubocop-minitest (= 0.37.0)
   rubocop-rake (= 0.6.0)
   simplecov (= 0.22.0)
   test-unit (= 3.6.7)

lib/helpers/deprecator.rb

@@ -103,7 +103,7 @@ def self.skip_warning
     end
 
     def self.skip_warning?
-      skip == true
+      @skip == true
     end
 
     def self.skip