message: add 1.7.2 section to the changelog
diff: # Changelog
  +## 1.7.2
  +
  +- meta: Move from Travis CI to Github Actions #1019
  +- ref: Drop TSLint in favor of ESLint #1023
  +- test: Add basic end-to-end tests workflow #945
  +- Bump: sentry-android to v2.3.1
  +
  ## 1.7.1
  - build: Bump sentry-cocoa to 5.2 #1011
  