Drop support for Ruby 2.5 (#1588)

.github/workflows/build.yml

@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby-version: [2.5, 2.6, 2.7, '3.0', 3.1]
+        ruby-version: [2.6, 2.7, '3.0', 3.1]
 
     steps:
     - uses: actions/checkout@v2

.github/workflows/deploy.yml

@@ -11,7 +11,7 @@ jobs:
 
     runs-on: ubuntu-latest
     env:
-      ruby-version: 2.5
+      ruby-version: 2.6
 
     steps:
     - uses: actions/checkout@v2

.github/workflows/dev_deploy.yml

@@ -53,7 +53,7 @@ jobs:
 
     runs-on: ubuntu-latest
     env:
-      ruby-version: 2.5
+      ruby-version: 2.6
 
     steps:
     - uses: actions/checkout@v2

Gemfile

@@ -1,4 +1,4 @@
-ruby '>= 2.5'
+ruby '>= 2.6'
 source 'https://rubygems.org'
 
 # Middleman

Vagrantfile

@@ -1,5 +1,5 @@
 Vagrant.configure(2) do |config|
-  config.vm.box = "ubuntu/bionic64"
+  config.vm.box = "ubuntu/focal64"
   config.vm.network :forwarded_port, guest: 4567, host: 4567
   config.vm.provider "virtualbox" do |vb|
     vb.memory = "2048"
@@ -28,7 +28,7 @@ Vagrant.configure(2) do |config|
       echo "=============================================="
       echo "Installing app dependencies"
       cd /vagrant
-      sudo gem install bundler -v "$(grep -A 1 "BUNDLED WITH" Gemfile.lock | tail -n 1)" 
+      sudo gem install bundler -v "$(grep -A 1 "BUNDLED WITH" Gemfile.lock | tail -n 1)"
       bundle config build.nokogiri --use-system-libraries
       bundle install
     SHELL