Update dependency com.android.application to v8.4.1 (#4457)

[![Mend
Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.android.application](https://developer.android.com/studio/build)
([source](https://android.googlesource.com/platform/tools/base)) |
`8.4.0` -> `8.4.1` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/com.android.application/8.4.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.android.application/8.4.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.android.application/8.4.0/8.4.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.android.application/8.4.0/8.4.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### 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.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Mend
Renovate](https://www.mend.io/free-developer-tools/renovate/). View
repository job log
[here](https://developer.mend.io/github/tuskyapp/Tusky).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4zNjMuNSIsInVwZGF0ZWRJblZlciI6IjM3LjM2My41IiwidGFyZ2V0QnJhbmNoIjoiZGV2ZWxvcCIsImxhYmVscyI6W119-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-agp = "8.4.0"
+agp = "8.4.1"
 androidx-activity = "1.9.0"
 androidx-appcompat = "1.6.1"
 androidx-browser = "1.8.0"