Bump rubocop from 1.31.2 to 1.35.0

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.31.2 to 1.35.0.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop/rubocop/compare/v1.31.2...v1.35.0)

---
updated-dependencies:
- dependency-name: rubocop
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -63,7 +63,7 @@ GEM
     multipart-post (2.2.3)
     os (1.1.4)
     parallel (1.22.1)
-    parser (3.1.2.0)
+    parser (3.1.2.1)
       ast (~> 2.4.1)
     pastel (0.8.0)
       tty-color (~> 0.5)
@@ -159,17 +159,17 @@ GEM
     rspec-puppet (2.11.1)
       rspec
     rspec-support (3.11.0)
-    rubocop (1.31.2)
+    rubocop (1.35.0)
       json (~> 2.3)
       parallel (~> 1.10)
-      parser (>= 3.1.0.0)
+      parser (>= 3.1.2.1)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.18.0, < 2.0)
+      rubocop-ast (>= 1.20.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.18.0)
+    rubocop-ast (1.21.0)
       parser (>= 3.1.1.0)
     ruby-progressbar (1.11.0)
     ruby2_keywords (0.0.5)
@@ -227,7 +227,7 @@ DEPENDENCIES
   puppetlabs_spec_helper (~> 4.0)
   r10k (~> 3.15)
   rspec-puppet (~> 2.11)
-  rubocop (~> 1.31)
+  rubocop (~> 1.35)
   rugged (~> 1.4)
   tty-command (~> 0.6)
   tty-file (~> 0.9)