This commit addresses these failures.
- `bundle install` failure
```ruby
$ bundle install
Fetching gem metadata from https://rubygems.org/.........
Could not find gem 'digest (~> 3.0.1.pre)' in rubygems repository https://rubygems.org/ or installed locally.
The source contains the following versions of 'digest': 1.0.0, 3.0.0, 3.1.0.pre0, 3.1.0.pre1, 3.1.0.pre2, 3.1.0.pre2 java
$
```
* Action Mailbox bug report template failures
```ruby
$ cd guides/bug_report_templates
$ ruby -v
ruby 3.1.0dev (2021-10-12T11:53:18Z master 58ae1efb49) [x86_64-linux]
$ ruby action_mailbox_main.rb
Fetching gem metadata from https://rubygems.org/......
/home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/resolver.rb:278:in `block in verify_gemfile_dependencies_are_found!': Could not find gem 'digest (~> 3.0.1.pre)' in rubygems repository https://rubygems.org/ or installed locally. (Bundler::GemNotFound)
The source contains the following versions of 'digest': 1.0.0, 3.0.0, 3.1.0.pre0, 3.1.0.pre1, 3.1.0.pre2, 3.1.0.pre2 java
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/resolver.rb:253:in `each'
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/resolver.rb:253:in `verify_gemfile_dependencies_are_found!'
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/resolver.rb:50:in `start'
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/resolver.rb:23:in `resolve'
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/definition.rb:267:in `resolve'
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/definition.rb:183:in `resolve_remotely!'
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/installer.rb:280:in `resolve_if_needed'
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/installer.rb:82:in `block in run'
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/process_lock.rb:12:in `block in lock'
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/process_lock.rb:9:in `open'
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/process_lock.rb:9:in `lock'
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/installer.rb:71:in `run'
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/installer.rb:23:in `install'
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/inline.rb:63:in `block (2 levels) in gemfile'
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/settings.rb:131:in `temporary'
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/inline.rb:62:in `block in gemfile'
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/settings.rb:131:in `temporary'
from /home/yahonda/.rbenv/versions/3.1.0-dev/lib/ruby/3.1.0/bundler/inline.rb:55:in `gemfile'
from action_mailbox_main.rb:5:in `<main>'
$
```
Refer e94bcda025
146308f979