CompatHelper: bump compat for Interpolations to 0.16, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the Interpolations package from 0.15 to 0.15, 0.16.
This keeps the compat entries for earlier versions.

Note: I have not tested your package with this new compat entry.
It is your responsibility to make sure that your package tests pass before you merge this pull request.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.92%. Comparing base (3a44a9e) to head (9dacc9f).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #140   +/-   ##
=======================================
  Coverage   99.92%   99.92%           
=======================================
  Files          38       38           
  Lines        1365     1365           
=======================================
  Hits         1364     1364           
  Misses          1        1           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.