Upgrades ruby to 2.7.2

.github/workflows/js.yml

@@ -1,7 +1,7 @@
 # License: LGPL-3.0-or-later
 name: Javascript build and test
 env: 
-  ruby: '2.6.6'
+  ruby: '2.7.2'
 on: 
   push:
     paths-ignore:

.github/workflows/notice_ruby.yml

@@ -13,7 +13,7 @@ on:
       - NOTICE-ruby
 env:
   os: ubuntu-latest
-  ruby: 2.6.6
+  ruby: '2.7.2'
 jobs:
   notice_ruby:
     runs-on: ${{ env.os }}

.github/workflows/placeholders.yml

@@ -34,7 +34,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         node: [14.6.0]
-        ruby: [2.6.6]
+        ruby: [2.7.2]
     steps:
       - run: 'echo "Placeholder for webpack"'
   main_build:
@@ -43,6 +43,6 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         node: [14.6.0]
-        ruby: [2.6.6]
+        ruby: [2.7.2]
     steps:
       - run: 'echo "Placeholder for main_build"'

.github/workflows/ruby.yml

@@ -27,7 +27,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         node: [14.6.0]
-        ruby: [2.6.6]
+        ruby: [2.7.2]
     steps:
       - uses: actions/checkout@v2
       - name: Setup PostgreSQL with PostgreSQL extensions and unprivileged user

.ruby-version

@@ -1 +1 @@
-2.6.6
+2.7.2

Gemfile

@@ -2,7 +2,7 @@
 
 source 'https://rubygems.org'
 
-ruby '2.6.6'
+ruby '2.7.2'
 gem 'rails', '~> 6.1.3'
 gem 'jbuilder', '~> 2.10'
 gem 'bootsnap', '~> 1.4', require: false # Large rails application booting enhancer

Gemfile.lock

@@ -479,7 +479,7 @@ DEPENDENCIES
   wisper-rspec (~> 1.1.0)
 
 RUBY VERSION
-   ruby 2.6.6p146
+   ruby 2.7.2p137
 
 BUNDLED WITH
    1.17.3

spec/requests/nonprofits/direct_debit_details_spec.rb

@@ -25,7 +25,7 @@ describe DirectDebitDetailsController, type: :request do
         post '/sepa', params: valid_params
 
         assert_response 200
-        assert_equal nil, JSON.parse(@response.body)['errors']
+        assert_nil JSON.parse(@response.body)['errors']
       end
 
       it 'is not valid without sepa_params' do