Kotlin api/language backwards compatibility

We want the newest Kotlin but the lowest api/language compatibility.

External requests:
- https://github.com/cashapp/licensee/issues/497
- https://github.com/square/retrofit/issues/4381
- https://github.com/square/okhttp/issues/9032
- https://github.com/square/okio/pull/1690

Projects:
* [x] `JakeWharton/cite`
* https://github.com/JakeWharton/cite/pull/186
* [x] `JakeWharton/confundus`
* https://github.com/JakeWharton/confundus/pull/94
* [ ] `JakeWharton/crossword`
* [ ] `JakeWharton/diffuse`
* [ ] `JakeWharton/finalization-hook`
* [x] `JakeWharton/kmp-missing-targets`
* https://github.com/JakeWharton/kmp-missing-targets/pull/122
* [ ] `JakeWharton/mosaic`
* [ ] `JakeWharton/picnic`
* [x] `JakeWharton/test-distribution-gradle-plugin`
* https://github.com/JakeWharton/test-distribution-gradle-plugin/pull/51
* [x] `JakeWharton/timber`
* https://github.com/JakeWharton/timber/pull/590
* [x] `cashapp/licensee`
* https://github.com/cashapp/licensee/pull/500
* [ ] `cashapp/molecule`
* [ ] `cashapp/paraphrase`
* [ ] `cashapp/turbine`
* [x] `lysine-dev/okio`
* https://github.com/square/okio/pull/1770
* [x] `lysine-dev/okhttp`
* https://github.com/square/okhttp/pull/9322
* [ ] `lysine-dev/retrofit`
* [ ] `SQLDelight/Grammar-Kit-Composer`
* [ ] `SQLDelight/sql-psi`
* [ ] `SQLDelight/SQLDelight`
* [ ] `square/kotlinpoet`
* [ ] `square/zstd-kmp`

Start by reviewing the unchecked projects in the checklist and the linked external requests and pull requests for the intended compatibility changes. Determine the status of each project before making changes; done means the remaining projects use the newest Kotlin while retaining the lowest API and language compatibility, with the checklist updated.

Written by the indexing model from the issue text.