[ENHANCE] Support Sidekiq Tags in Sentry

[berniechiu]

closes #1488

Description

Add Sidekiq Tags to Sentry

Notes

Just Few things TBC

• Since Sidekiq supports array of tags but Sentry supports different way of setup with key/value, not sure if given boolean value is a common practice here
• default naming pattern I usesidekiq.#{name} here, the reason for prefixing with sidekiq is that tag naming sometimes can be too generic, might conflict with custom setup from users. But can also be other naming, welcome for any feedback

[codecov-commenter]

Codecov Report

Merging #1596 (7e6a287) into master (a87b99d) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1596      +/-   ##
==========================================
+ Coverage   98.44%   98.46%   +0.01%     
==========================================
  Files         129      129              
  Lines        7218     7225       +7     
==========================================
+ Hits         7106     7114       +8     
+ Misses        112      111       -1     

Impacted Files	Coverage Δ
...iq/lib/sentry/sidekiq/sentry_context_middleware.rb	97.50% <100.00%> (+0.20%)	⬆️
...c/sentry/sidekiq/sentry_context_middleware_spec.rb	100.00% <100.00%> (ø)
sentry-ruby/lib/sentry/breadcrumb.rb	100.00% <0.00%> (+4.34%)	⬆️

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[st0012]

@berniechiu thanks for the PR 🎉 I'll take a look this week 🙂

[st0012]

@berniechiu thanks for the great work 🎉