chore: Support Github Codespaces (#2510)

Note: Update the ruby version 2.7.3. For production Linux VM, install 2.7.3 and follow the upgrade steps as shown in https://www.chatwoot.com/docs/self-hosted/deployment/linux-vm#upgrading-to-a-newer-version-of-chatwoot

deployment/setup_20.04.sh

@@ -50,8 +50,8 @@ RAILS_ENV=production
 sudo -i -u chatwoot << EOF
 rvm --version
 rvm autolibs disable
-rvm install "ruby-2.7.2"
-rvm use 2.7.2 --default
+rvm install "ruby-2.7.3"
+rvm use 2.7.3 --default
 
 git clone https://github.com/chatwoot/chatwoot.git
 cd chatwoot