Bump com.android.tools.build:gradle from 7.0.4 to 8.1.1

Bumps com.android.tools.build:gradle from 7.0.4 to 8.1.1.

---
updated-dependencies:
- dependency-name: com.android.tools.build:gradle
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

build.gradle

@@ -1,7 +1,7 @@
 buildscript {
     ext {
         kotlinVersion = '1.6.21'
-        androidGradleVersion = '7.0.4'
+        androidGradleVersion = '8.1.1'
         coroutineVersion = '1.5.2'
 
         // Google libraries