fix(deps): update dependency com.google.api:api-compiler to v0.0.8

Author: renovate-bot

toolkit/build.gradle

@@ -70,7 +70,7 @@ ext {
     gax: 'com.google.api:gax:1.5.1',
 
     // Gapi
-    toolsFx: 'com.google.api:api-compiler:0.0.7',
+    toolsFx: 'com.google.api:api-compiler:0.0.8',
 
     // Testing
     junit: 'junit:junit:4.12',