deps: update guava to 29.0-android (#1174)

fixes #1151

Author: elharo

dependencies.properties

@@ -40,7 +40,7 @@ maven.io_opencensus_opencensus_api=io.opencensus:opencensus-api:0.24.0
 maven.io_opencensus_opencensus_contrib_grpc_metrics=io.opencensus:opencensus-contrib-grpc-metrics:0.24.0
 maven.io_opencensus_opencensus_contrib_http_util=io.opencensus:opencensus-contrib-http-util:0.24.0
 maven.com_google_code_gson_gson=com.google.code.gson:gson:2.8.6
-maven.com_google_guava_guava=com.google.guava:guava:28.2-android
+maven.com_google_guava_guava=com.google.guava:guava:29.0-android
 maven.com_google_code_findbugs_jsr305=com.google.code.findbugs:jsr305:3.0.2
 maven.com_google_errorprone_error_prone_annotations=com.google.errorprone:error_prone_annotations:2.3.4
 maven.com_google_j2objc_j2objc_annotations=com.google.j2objc:j2objc-annotations:1.3