fix: grafeas is runtime scope (#251)

Fixing googleapis/java-binary-authorization@1972e0a#diff-45adf8a0bb72b6c10f96e40ab9362cc2c67d5400d27ce69d414d817b357c3daaR84

Author: suztomo

java-binary-authorization/README.md

@@ -19,20 +19,20 @@ If you are using Maven, add this to your pom.xml file:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-binary-authorization</artifactId>
-  <version>1.2.1</version>
+  <version>1.2.2</version>
 </dependency>
 ```
 
 If you are using Gradle without BOM, add this to your dependencies:
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-binary-authorization:1.2.1'
+implementation 'com.google.cloud:google-cloud-binary-authorization:1.2.2'
 ```
 
 If you are using SBT, add this to your dependencies:
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-binary-authorization" % "1.2.1"
+libraryDependencies += "com.google.cloud" % "google-cloud-binary-authorization" % "1.2.2"
 ```
 
 ## Authentication

java-binary-authorization/google-cloud-binary-authorization/pom.xml

@@ -70,6 +70,11 @@
       <groupId>org.threeten</groupId>
       <artifactId>threetenbp</artifactId>
     </dependency>
+    <dependency>
+      <groupId>io.grafeas</groupId>
+      <artifactId>grafeas</artifactId>
+      <scope>runtime</scope>
+    </dependency>
 
     <!-- Test dependencies -->
     <dependency>
@@ -78,11 +83,6 @@
       <scope>test</scope>
       <version>4.13.2</version>
     </dependency>
-    <dependency>
-      <groupId>io.grafeas</groupId>
-      <artifactId>grafeas</artifactId>
-      <scope>test</scope>
-    </dependency>
 
     <dependency>
       <groupId>com.google.api.grpc</groupId>