chore: Upgrade rails and ruby versions (#2400)

ruby version: 3.0.2
rails version: 6.1.4

app/controllers/api/v1/accounts/base_controller.rb

@@ -14,7 +14,7 @@ class Api::V1::Accounts::BaseController < Api::BaseController
     account = Account.find(params[:account_id])
     if current_user
       account_accessible_for_user?(account)
-    elsif @resource&.is_a?(AgentBot)
+    elsif @resource.is_a?(AgentBot)
       account_accessible_for_bot?(account)
     end
     account

app/controllers/api/v1/accounts/callbacks_controller.rb

@@ -69,7 +69,7 @@ class Api::V1::Accounts::CallbacksController < Api::V1::Accounts::BaseController
     return [] if data.empty?
 
     data.inject([]) do |result, page_detail|
-      page_detail[:exists] = Current.account.facebook_pages.exists?(page_id: page_detail['id']) ? true : false
+      page_detail[:exists] = Current.account.facebook_pages.exists?(page_id: page_detail['id'])
       result << page_detail
     end
   end
@@ -99,7 +99,7 @@ class Api::V1::Accounts::CallbacksController < Api::V1::Accounts::BaseController
       end
       pic_url = response.base_uri.to_s
     rescue StandardError => e
-      Rails.logger.debug "Rescued: #{e.inspect}"
+      Rails.logger.debug { "Rescued: #{e.inspect}" }
       pic_url = nil
     end
     pic_url

app/controllers/api/v1/accounts/channels/twilio_channels_controller.rb

@@ -6,9 +6,8 @@ class Api::V1::Accounts::Channels::TwilioChannelsController < Api::V1::Accounts:
       authenticate_twilio
       build_inbox
       setup_webhooks if @twilio_channel.sms?
-    rescue Twilio::REST::TwilioError => e
-      render_could_not_create_error(e.message)
     rescue StandardError => e
+      Sentry.capture_exception(e)
       render_could_not_create_error(e.message)
     end
   end

app/controllers/api/v1/accounts/inbox_members_controller.rb

@@ -9,7 +9,7 @@ class Api::V1::Accounts::InboxMembersController < Api::V1::Accounts::BaseControl
       update_agents_list
       head :ok
     rescue StandardError => e
-      Rails.logger.debug "Rescued: #{e.inspect}"
+      Rails.logger.debug { "Rescued: #{e.inspect}" }
       render_could_not_create_error('Could not add agents to inbox')
     end
   end

app/controllers/api/v1/webhooks_controller.rb

@@ -10,7 +10,7 @@ class Api::V1::WebhooksController < ApplicationController
     twitter_consumer.consume
     head :ok
   rescue StandardError => e
-    Raven.capture_exception(e)
+    Sentry.capture_exception(e)
     head :ok
   end