Update dependency com.gradle.plugin-publish to v1.2.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.gradle.plugin-publish	1.2.0 -> 1.2.1

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.

[codecov]

Codecov Report

Merging #487 (64d23b3) into master (936fc5b) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #487   +/-   ##
=========================================
  Coverage     80.84%   80.84%           
  Complexity      114      114           
=========================================
  Files            16       16           
  Lines           642      642           
  Branches        102      102           
=========================================
  Hits            519      519           
  Misses           49       49           
  Partials         74       74