feat: Update to Partner latest version 19.3.0

[Mansi-mParticle]

Instructions

1. PR target branch should be against development
2. PR title name should follow this format: https://github.com/mParticle/mparticle-workflows/blob/main/.github/workflows/pr-title-check.yml
3. PR branch prefix should follow this format: https://github.com/mParticle/mparticle-workflows/blob/main/.github/workflows/pr-branch-check-name.yml

Summary

• Update Urbanairship kit to version 19.3.0 (latest version)
• Changed Minimum SDK to 23

Testing Plan

• Was this tested locally? If not, explain why.
• Ran unit tests, tested with the sample app, and verified events on the Airship dashboard.

Reference Issue (For mParticle employees only. Ignore if you are an outside contributor)

• Closes https://go.mparticle.com/work/SQDSDKS-7048

[mmustafa-tse]

LGTM

[BrandonStalnaker]

LGTM