Bump govuk_tech_docs from 3.3.0 to 3.3.1

Bumps [govuk_tech_docs](https://github.com/alphagov/tech-docs-gem) from 3.3.0 to 3.3.1.
- [Release notes](https://github.com/alphagov/tech-docs-gem/releases)
- [Changelog](https://github.com/alphagov/tech-docs-gem/blob/main/CHANGELOG.md)
- [Commits](alphagov/tech-docs-gem@v3.3.0...v3.3.1)

---
updated-dependencies:
- dependency-name: govuk_tech_docs
  dependency-type: direct:production
...

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

Gemfile.lock

@@ -6,11 +6,11 @@ GEM
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
-    autoprefixer-rails (10.4.2.0)
+    addressable (2.8.4)
+      public_suffix (>= 2.0.2, < 6.0)
+    autoprefixer-rails (10.4.13.0)
       execjs (~> 2)
-    backports (3.23.0)
+    backports (3.24.1)
     chronic (0.10.2)
     chunky_png (1.4.0)
     coffee-script (2.4.1)
@@ -31,8 +31,8 @@ GEM
     compass-import-once (1.0.5)
       sass (>= 3.2, < 3.5)
     concurrent-ruby (1.2.2)
-    contracts (0.13.0)
-    dotenv (2.7.6)
+    contracts (0.17)
+    dotenv (2.8.1)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
@@ -42,7 +42,7 @@ GEM
     fast_blank (1.0.1)
     fastimage (2.2.6)
     ffi (1.15.5)
-    govuk_tech_docs (3.3.0)
+    govuk_tech_docs (3.3.1)
       autoprefixer-rails (~> 10.2)
       chronic (~> 0.10.2)
       middleman (~> 4.0)
@@ -64,11 +64,11 @@ GEM
     http_parser.rb (0.8.0)
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
-    kramdown (2.3.1)
+    kramdown (2.4.0)
       rexml
-    listen (3.0.8)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
+    listen (3.8.0)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
     memoist (0.16.2)
     middleman (4.4.3)
       coffee-script (~> 2.2)
@@ -115,7 +115,7 @@ GEM
       em-websocket (~> 0.5.1)
       middleman-core (>= 3.3)
       rack-livereload (~> 0.3.15)
-    middleman-search-gds (0.11.1)
+    middleman-search-gds (0.11.2)
       execjs (~> 2.6)
       middleman-core (>= 3.2)
       nokogiri (~> 1.6)
@@ -131,46 +131,44 @@ GEM
     nokogiri (1.14.3)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    openapi3_parser (0.9.1)
+    openapi3_parser (0.9.2)
       commonmarker (~> 0.17)
-      psych (~> 3.1)
-    padrino-helpers (0.15.1)
+    padrino-helpers (0.15.3)
       i18n (>= 0.6.7, < 2)
-      padrino-support (= 0.15.1)
+      padrino-support (= 0.15.3)
       tilt (>= 1.4.1, < 3)
-    padrino-support (0.15.1)
-    parallel (1.21.0)
+    padrino-support (0.15.3)
+    parallel (1.22.1)
     parslet (2.0.0)
-    psych (3.3.2)
-    public_suffix (4.0.6)
+    public_suffix (5.0.1)
     racc (1.6.2)
     rack (2.2.6.4)
     rack-livereload (0.3.17)
       rack
     rake (13.0.6)
-    rb-fsevent (0.11.1)
+    rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     redcarpet (3.5.1)
     rexml (3.2.5)
-    rouge (3.28.0)
+    rouge (3.30.0)
     sass (3.4.25)
     sassc (2.4.0)
       ffi (~> 1.9)
     servolux (0.13.0)
-    sprockets (4.0.3)
+    sprockets (4.2.0)
       concurrent-ruby (~> 1.0)
-      rack (> 1, < 3)
-    temple (0.8.2)
+      rack (>= 2.2.4, < 4)
+    temple (0.10.0)
     thor (1.2.1)
-    tilt (2.0.10)
+    tilt (2.0.11)
     toml (0.3.0)
       parslet (>= 1.8.0, < 3.0.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)
-    webrick (1.7.0)
+    webrick (1.8.1)
 
 PLATFORMS
   ruby