fix(deps): update dependency androidx.compose:compose-bom to v2025.09.00 (#768)

Coming soon: The Renovate bot (GitHub App) will be renamed to Mend. PRs
from Renovate will soon appear from 'Mend'. Learn more
[here](https://redirect.github.com/renovatebot/renovate/discussions/37842).

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| [androidx.compose:compose-bom](https://developer.android.com/jetpack)
| `2025.08.01` -> `2025.09.00` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/androidx.compose:compose-bom/2025.09.00?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/androidx.compose:compose-bom/2025.08.01/2025.09.00?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**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, 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 was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/nextcloud/android-common).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS45Ny4xMCIsInVwZGF0ZWRJblZlciI6IjQxLjk3LjEwIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyIzLiB0byByZXZpZXciLCJkZXBlbmRlbmNpZXMiXX0=-->

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

Author: renovate[bot]

gradle/verification-metadata.xml

@@ -791,6 +791,11 @@
             <sha256 value="025f1b052472cebddcf034516233b0829b12da5a3ca8aef0a12392729a6cc7d7" origin="Generated by Gradle" reason="Artifact is not signed"/>
          </artifact>
       </component>
+      <component group="androidx.compose" name="compose-bom" version="2025.09.00">
+         <artifact name="compose-bom-2025.09.00.pom">
+            <sha256 value="499a4aa42578db44dd4e25ff35a4c2df9fd29f8003ca5ecddd1284412a347271" origin="Generated by Gradle" reason="Artifact is not signed"/>
+         </artifact>
+      </component>
       <component group="androidx.compose.animation" name="animation" version="1.7.6">
          <artifact name="animation-1.7.6.module">
             <sha256 value="709e8af6b1615d8bb8c28c1cd6d6cd4600009e1004b83566da157a9c8fe4efce" origin="Generated by Gradle"/>

ui/build.gradle

@@ -43,7 +43,7 @@ android {
 }
 
 dependencies {
-    implementation(platform("androidx.compose:compose-bom:2025.08.01"))
+    implementation(platform("androidx.compose:compose-bom:2025.09.00"))
     implementation("androidx.compose.ui:ui")
     implementation("androidx.compose.ui:ui-graphics")
     implementation("androidx.compose.material3:material3")