PI-2373: Pin Middleman gem version

Author: mxco86

.github/workflows/publish-docs.yml

@@ -45,7 +45,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.1.0
+          ruby-version: 3.1
           bundler-cache: true
           working-directory: tech-docs
       - name: Build Docs

tech-docs/Gemfile

@@ -1,5 +1,5 @@
 source "https://rubygems.org"
-ruby "3.1.0"
 
 # Include the tech docs gem
 gem 'govuk_tech_docs'
+gem 'middleman', '4.5.1'

tech-docs/Gemfile.lock

@@ -31,7 +31,7 @@ GEM
     compass-import-once (1.0.5)
       sass (>= 3.2, < 3.5)
     concurrent-ruby (1.2.2)
-    contracts (0.17)
+    contracts (0.16.1)
     dotenv (2.8.1)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
@@ -42,9 +42,10 @@ GEM
     fast_blank (1.0.1)
     fastimage (2.2.6)
     ffi (1.15.5)
-    govuk_tech_docs (3.3.1)
+    govuk_tech_docs (3.5.0)
       autoprefixer-rails (~> 10.2)
       chronic (~> 0.10.2)
+      haml (< 6.0.0)
       middleman (~> 4.0)
       middleman-autoprefixer (~> 2.10.0)
       middleman-compass (>= 4.0.0)
@@ -70,26 +71,26 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     memoist (0.16.2)
-    middleman (4.4.3)
+    middleman (4.5.1)
       coffee-script (~> 2.2)
-      haml (>= 4.0.5, < 6.0)
+      haml (>= 4.0.5)
       kramdown (>= 2.3.0)
-      middleman-cli (= 4.4.3)
-      middleman-core (= 4.4.3)
+      middleman-cli (= 4.5.1)
+      middleman-core (= 4.5.1)
     middleman-autoprefixer (2.10.0)
       autoprefixer-rails (>= 9.1.4)
       middleman-core (>= 3.3.3)
-    middleman-cli (4.4.3)
-      thor (>= 0.17.0, < 2.0)
+    middleman-cli (4.5.1)
+      thor (>= 0.17.0, < 1.3.0)
     middleman-compass (4.0.1)
       compass (>= 1.0.0, < 2.0.0)
       middleman-core (>= 4.0.0)
-    middleman-core (4.4.3)
+    middleman-core (4.5.1)
       activesupport (>= 6.1, < 7.1)
       addressable (~> 2.4)
       backports (~> 3.6)
       bundler (~> 2.0)
-      contracts (~> 0.13)
+      contracts (~> 0.13, < 0.17)
       dotenv
       erubis
       execjs (~> 2.0)
@@ -125,6 +126,8 @@ GEM
       rouge (~> 3.2)
     minitest (5.18.0)
     multi_json (1.15.0)
+    nokogiri (1.16.5-arm64-darwin)
+      racc (~> 1.4)
     nokogiri (1.16.5-x86_64-linux)
       racc (~> 1.4)
     openapi3_parser (0.9.2)
@@ -145,8 +148,7 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     redcarpet (3.5.1)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.8)
     rouge (3.30.0)
     sass (3.4.25)
     sassc (2.4.0)
@@ -155,9 +157,8 @@ GEM
     sprockets (4.2.0)
       concurrent-ruby (~> 1.0)
       rack (>= 2.2.4, < 4)
-    strscan (3.1.0)
     temple (0.10.0)
-    thor (1.2.1)
+    thor (1.2.2)
     tilt (2.0.11)
     toml (0.3.0)
       parslet (>= 1.8.0, < 3.0.0)
@@ -168,10 +169,12 @@ GEM
     webrick (1.8.1)
 
 PLATFORMS
+  arm64-darwin-23
   x86_64-linux
 
 DEPENDENCIES
   govuk_tech_docs
+  middleman (= 4.5.1)
 
 BUNDLED WITH
    2.3.26