Bump govuk-lint from 4.0.0 to 4.0.1

Bumps [govuk-lint](https://github.com/alphagov/govuk-lint) from 4.0.0 to 4.0.1.
- [Release notes](https://github.com/alphagov/govuk-lint/releases)
- [Changelog](https://github.com/alphagov/govuk-lint/blob/master/CHANGELOG.md)
- [Commits](alphagov/govuk-lint@v4.0.0...v4.0.1)

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

Author: dependabot-preview[bot]

Gemfile.lock

@@ -100,7 +100,7 @@ GEM
       rest-client (~> 2.0)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
-    govuk-lint (4.0.0)
+    govuk-lint (4.0.1)
       rubocop (~> 0.72)
       rubocop-rails (~> 2)
       rubocop-rspec (~> 1.28)
@@ -189,7 +189,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     null_logger (0.0.1)
     parallel (1.17.0)
-    parser (2.6.4.1)
+    parser (2.6.5.0)
       ast (~> 2.4.0)
     phantomjs (2.1.1.0)
     plek (3.0.0)
@@ -255,7 +255,7 @@ GEM
       netrc (~> 0.8)
     robotex (1.0.0)
     rouge (3.11.1)
-    rubocop (0.74.0)
+    rubocop (0.75.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.6)
@@ -265,8 +265,8 @@ GEM
     rubocop-rails (2.3.2)
       rack (>= 1.1)
       rubocop (>= 0.72.0)
-    rubocop-rspec (1.35.0)
-      rubocop (>= 0.60.0)
+    rubocop-rspec (1.36.0)
+      rubocop (>= 0.68.1)
     ruby-progressbar (1.10.1)
     rubyzip (1.3.0)
     safe_yaml (1.0.5)