chore(deps): bump rubocop from 0.57.0 to 0.68.1 in /packages/jsii-ruby-runtime/project (#633)

Bumps [rubocop](https://github.com/rubocop-hq/rubocop) from 0.57.0 to 0.68.1.
- [Release notes](https://github.com/rubocop-hq/rubocop/releases)
- [Changelog](https://github.com/rubocop-hq/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v0.57.0...v0.68.1)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

packages/jsii-ruby-runtime/project/.rubocop.yml

@@ -4,7 +4,7 @@ Metrics/LineLength:
 Metrics/MethodLength:
   Max: 1000
 
-Layout/IndentHash:
+Layout/IndentFirstHashElement:
   EnforcedStyle: consistent
 
 Style/GuardClause:

packages/jsii-ruby-runtime/project/Gemfile

@@ -1,3 +1,3 @@
 source 'https://rubygems.org'
 
-gem 'rubocop', '=0.57', require: false
+gem 'rubocop', '0.68.1', require: false

packages/jsii-ruby-runtime/project/Gemfile.lock

@@ -2,28 +2,26 @@ GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.0)
-    jaro_winkler (1.4.0)
-    parallel (1.12.1)
-    parser (2.5.1.2)
+    jaro_winkler (1.5.3)
+    parallel (1.17.0)
+    parser (2.6.3.0)
       ast (~> 2.4.0)
-    powerpack (0.1.2)
     rainbow (3.0.0)
-    rubocop (0.57.0)
-      jaro_winkler (~> 1.4.0)
+    rubocop (0.68.1)
+      jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
-      parser (>= 2.5)
-      powerpack (~> 0.1)
+      parser (>= 2.5, != 2.5.1.1)
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (~> 1.0, >= 1.0.1)
-    ruby-progressbar (1.10.0)
-    unicode-display_width (1.4.0)
+      unicode-display_width (>= 1.4.0, < 1.6)
+    ruby-progressbar (1.10.1)
+    unicode-display_width (1.5.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  rubocop (= 0.57)
+  rubocop (= 0.68.1)
 
 BUNDLED WITH
    1.16.1

packages/jsii-ruby-runtime/project/lib/jsii_runtime.rb

@@ -104,6 +104,7 @@ def process_error(resp)
 
       def process_callback(resp)
         raise JsiiError, 'no callback handler registered with on_callback' unless @callback_handler
+
         callback = resp['callback']
 
         result = nil