Update plugin kotlinter to v3.9.0

[juul-mobile-bot]

This PR contains the following updates:

Package	Type	Update	Change
org.jmailen.kotlinter	plugin	minor	3.8.0 -> 3.9.0

---

Configuration

📅 Schedule: 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, click this checkbox.

---

This PR has been generated by Renovate Bot.

[codecov]

Codecov Report

Merging #94 (4238adb) into main (56a59f1) will increase coverage by 0.23%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##               main      #94      +/-   ##
============================================
+ Coverage     57.25%   57.49%   +0.23%     
  Complexity       11       11              
============================================
  Files             8        8              
  Lines           613      654      +41     
  Branches        145      145              
============================================
+ Hits            351      376      +25     
- Misses          223      239      +16     
  Partials         39       39              

Impacted Files	Coverage Δ
koap/src/commonMain/kotlin/Message.kt	57.14% <0.00%> (-2.09%)	⬇️
koap/src/commonMain/kotlin/Debug.kt	26.08% <0.00%> (-1.19%)	⬇️
koap/src/commonMain/kotlin/ByteArrayReader.kt	68.08% <0.00%> (-0.10%)	⬇️
koap/src/commonMain/kotlin/Decoder.kt	53.74% <0.00%> (+1.62%)	⬆️
koap/src/commonMain/kotlin/Encoder.kt	71.69% <0.00%> (+3.27%)	⬆️
koap/src/commonMain/kotlin/Option.kt	26.31% <0.00%> (+4.09%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 72e59d2...4238adb. Read the comment docs.