Bump androidx.activity:activity-compose from 1.4.0 to 1.8.1

Bumps androidx.activity:activity-compose from 1.4.0 to 1.8.1.

---
updated-dependencies:
- dependency-name: androidx.activity:activity-compose
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

app/build.gradle.kts

@@ -72,7 +72,7 @@ dependencies {
     implementation("androidx.compose.material:material:$composeVersion")
     implementation("androidx.compose.ui:ui-tooling-preview:$composeVersion")
     implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.5.1")
-    implementation("androidx.activity:activity-compose:1.4.0")
+    implementation("androidx.activity:activity-compose:1.8.1")
     testImplementation("junit:junit:4.13.2")
     androidTestImplementation("androidx.test.ext:junit:1.1.5")
     androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")