Update dependency com.android.tools.build:gradle to v8.6.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.android.tools.build:gradle (source)	8.6.0 -> 8.6.1

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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.

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

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[github-actions]

Codacy

Lint

Type	master	PR
Warnings	59	59
Errors	3	3

SpotBugs

Category	Base	New
Bad practice	64	64
Correctness	63	63
Dodgy code	297	297
Experimental	1	1
Internationalization	7	7
Malicious code vulnerability	1	1
Multithreaded correctness	6	6
Performance	53	53
Security	18	18
Total	510	510

[github-actions]

APK file: https://www.kaminsky.me/nc-dev/android-artifacts/13601.apk



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