Update dependency org.jetbrains.kotlinx:atomicfu to v0.21.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.jetbrains.kotlinx:atomicfu	0.20.2 -> 0.21.0

---

⚠ Dependency Lookup Warnings ⚠

Warnings were logged while processing this repo. Please check the Dependency Dashboard for more information.

---

Release Notes

Kotlin/kotlinx.atomicfu (org.jetbrains.kotlinx:atomicfu)

v0.21.0

Compare Source

• Updated Kotlin to 1.8.20.
• Updated Gradle to 7.3 (#​300).
• Updated kotlinx.metadata version to 0.6.0 (#​281).
• Minimal supported KGP(1.7.0) and Gradle(7.0) versions are set since this release.
• Removed JS Legacy configurations for KGP >= 1.9.0 (#​296).
• Fixed class duplication (from original and transformed directories) in Jar (#​301).
• Original class directories are not modified in case of compiler plugin application (#​312).

---

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: Never, 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.

[github-actions]

Dependency diff:

dependency diff%0Abranch: main -> renovate/org.jetbrains.kotlinx, module: app, configuration: releaseRuntimeClasspath

[github-actions]

Test Results

14 tests   14 ✔️  53s ⏱️
  4 suites    0 💤
  4 files      0 ❌

Results for commit afa90a5.