fix(deps): update kotlin monorepo to v2.0.20

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.jetbrains.kotlin:kotlin-serialization (source)	2.0.10 -> 2.0.20
org.jetbrains.kotlin:kotlin-gradle-plugin (source)	2.0.10 -> 2.0.20

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Release Notes

JetBrains/kotlin (org.jetbrains.kotlin:kotlin-serialization)

v2.0.20

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Configuration

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

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

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

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[github-actions]

Codacy

Lint

Type	master	PR
Warnings	86	86
Errors	131	131

SpotBugs

Category	Base	New
Bad practice	6	6
Correctness	11	11
Dodgy code	78	78
Internationalization	3	3
Malicious code vulnerability	3	3
Performance	6	6
Security	1	1
Total	108	108

[github-actions]

APK file: https://www.kaminsky.me/nc-dev/android-artifacts/4110-talk.apk



To test this change/fix you can simply download above APK file and install and test it in parallel to your existing Nextcloud Talk app.