Upgrade to Ruby 3.2.0 and bump other versions

The upcoming release will drop support for Ruby 2.7 as we aim to support
the most recent three major versions of Ruby.

.github/workflows/publish.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '2.7.6'
+          ruby-version: '3.0.5'
 
       - name: Install gems
         env:

.github/workflows/tests.yml

@@ -9,8 +9,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['2.7.6', '3.0.4', '3.1.2']
-        rails: ['6.1.5', '7.0.3']
+        ruby: ['3.0.5', '3.1.3', '3.2.0-rc1']
+        rails: ['6.1.7', '7.0.3']
     runs-on: ubuntu-20.04
     name: Testing with Ruby ${{ matrix.ruby }} and Rails ${{ matrix.rails }}
     steps:
@@ -42,7 +42,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.0.4
+          ruby-version: 3.0.5
 
       - name: Install gems
         run: |

README.md

@@ -7,8 +7,8 @@
 [![Test Coverage](https://api.codeclimate.com/v1/badges/cbcbc140f300b920d833/test_coverage)](https://codeclimate.com/github/DFE-Digital/govuk-components/test_coverage)
 [![GitHub license](https://img.shields.io/github/license/DFE-Digital/govuk-components)](https://github.com/DFE-Digital/govuk-components/blob/main/LICENSE)
 [![GOV.UK Design System Version](https://img.shields.io/badge/GOV.UK%20Design%20System-4.4.1-brightgreen)](https://design-system.service.gov.uk)
-[![Rails](https://img.shields.io/badge/Rails-6.1.5%20%E2%95%B1%207.0.3-E16D6D)](https://weblog.rubyonrails.org/releases/)
-[![Ruby](https://img.shields.io/badge/Ruby-2.7.6%20%20%E2%95%B1%203.0.3%20%20%E2%95%B1%203.1.2-E16D6D)](https://www.ruby-lang.org/en/downloads/)
+[![Rails](https://img.shields.io/badge/Rails-6.1.7%20%E2%95%B1%207.0.3-E16D6D)](https://weblog.rubyonrails.org/releases/)
+[![Ruby](https://img.shields.io/badge/Ruby-3.0.5%20%20%E2%95%B1%203.1.3%20%20%E2%95%B1%203.2.0-E16D6D)](https://www.ruby-lang.org/en/downloads/)
 
 This gem provides a suite of reusable components for the [GOV.UK Design System](https://design-system.service.gov.uk/). It is intended to provide a lightweight alternative to the [GOV.UK Publishing Components](https://github.com/alphagov/govuk_publishing_components) library and is built with GitHub’s [ViewComponent](https://github.com/github/view_component) framework.
 

guide/content/introduction/supported-versions.slim

@@ -32,7 +32,7 @@ table.govuk-table.app-table--constrained
       td.govuk-table__cell.govuk-table__cell--numeric
         | 7.0.3
         br
-        | 6.1.5
+        | 6.1.7
       td.govuk-table__cell.govuk-table__cell--numeric
         | 6.1.4.4
         br
@@ -41,11 +41,11 @@ table.govuk-table.app-table--constrained
       th.govuk-table__header scope="row"
         | Ruby
       td.govuk-table__cell.govuk-table__cell--numeric
-        | 3.1.2
+        | 3.2.0
         br
-        | 3.0.4
+        | 3.1.3
         br
-        | 2.7.6
+        | 3.0.5
       td.govuk-table__cell.govuk-table__cell--numeric
         | 3.0.3
         br