Bump com.squareup.wire:wire-gradle-plugin from 4.8.0 to 4.8.1

Bumps [com.squareup.wire:wire-gradle-plugin](https://github.com/square/wire) from 4.8.0 to 4.8.1.
- [Changelog](https://github.com/square/wire/blob/master/CHANGELOG.md)
- [Commits](square/wire@4.8.0...4.8.1)

---
updated-dependencies:
- dependency-name: com.squareup.wire:wire-gradle-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle

@@ -21,7 +21,7 @@ buildscript {
         gsonVersion = '2.10.1'
         okhttpVersion = '4.11.0'
         retrofitVersion = '2.9.0'
-        wireVersion = '4.8.0'
+        wireVersion = '4.8.1'
 
         // Debug and quality control
         binaryCompatibilityValidator = '0.13.2'