chore: bump version to 2.1.2 for release

[vedant-jaiswal]

Description

Why is this change being made?

1. Version bump to 2.1.2 for release.

What is changing?

1. Updated version in pom.xml from 2.1.1 to 2.1.2
2. Updated version references in README.md examples

Related Links

• Issue #, if available: N/A

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Testing

How was this tested?

1. mvn clean test

When testing locally, provide testing artifact(s):

1. Tests run: 157, Failures: 0, Errors: 0, Skipped: 0

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Reviewee Checklist

Update the checklist after submitting the PR

• I have reviewed, tested and understand all changes
  If not, why:
• I have filled out the Description and Testing sections above
  If not, why:
• Build and Unit tests are passing
  If not, why:
• Unit test coverage check is passing
  If not, why:
• I have ensured no sensitive information is leaking (i.e., no logging of sensitive fields, or otherwise)
  If not, why:
• I have added explanatory comments for complex logic, new classes/methods and new tests
  If not, why:
• I have updated README/documentation (if needed)
  If not, why:
• I have clearly called out breaking changes (if any)
  If not, why:

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Reviewer Checklist

All reviewers please ensure the following are true before reviewing:

• Reviewee checklist has been accurately filled out
• Code changes align with stated purpose in description
• Test coverage adequately validates the changes

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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.84%. Comparing base (eca6c90) to head (d170c48).

Additional details and impacted files

@@            Coverage Diff            @@
##                 v2     #335   +/-   ##
=========================================
  Coverage     83.84%   83.84%           
  Complexity      168      168           
=========================================
  Files            12       12           
  Lines           390      390           
  Branches         53       53           
=========================================
  Hits            327      327           
  Misses           58       58           
  Partials          5        5           

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