build(deps): bump protobuf-java from 3.17.3 to 3.18.1

Bumps [protobuf-java](https://github.com/protocolbuffers/protobuf) from 3.17.3 to 3.18.1.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/master/generate_changelog.py)
- [Commits](protocolbuffers/protobuf@v3.17.3...v3.18.1)

---
updated-dependencies:
- dependency-name: com.google.protobuf:protobuf-java
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

rsdroid/build.gradle

@@ -61,7 +61,7 @@ dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar", '*.so'])
     implementation 'androidx.appcompat:appcompat:1.3.1'
     // Protobuf is part of the ABI, so include it as a compile/api dependency.
-    api 'com.google.protobuf:protobuf-java:3.17.3'
+    api 'com.google.protobuf:protobuf-java:3.18.1'
     implementation 'androidx.sqlite:sqlite:2.1.0'
     implementation 'com.jakewharton.timber:timber:5.0.1'