Bump Scala to 2.12.19

[pionCham]

🔍 Description

Issue References 🔗

• Scala 2.12.19 release https://github.com/scala/scala/releases/tag/v2.12.19

Describe Your Solution 🔧

Types of changes 🔖

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Test Plan 🧪

Behavior Without This Pull Request ⚰️

Behavior With This Pull Request 🎉

Related Unit Tests

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Checklist 📝

• This patch was not authored or co-authored using Generative Tooling

Be nice. Be informative.

[pionCham]

cc @bowenliang123

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 0.00%. Comparing base (d7219fc) to head (7f5e17e).
Report is 3 commits behind head on master.

Additional details and impacted files

@@          Coverage Diff           @@
##           master   #6676   +/-   ##
======================================
  Coverage    0.00%   0.00%           
======================================
  Files         683     684    +1     
  Lines       42213   42237   +24     
  Branches     5755    5755           
======================================
- Misses      42213   42237   +24     

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[bowenliang123]

Thanks, merged to master (1.10.0).