upgrade google-auth-library-credentials to 0.12.0

to pull in the option for `SUPPRESS_GCLOUD_CREDS_WARNING`.

fixes #1256

pom.xml

@@ -275,12 +275,12 @@
             <dependency>
                 <groupId>org.apache.httpcomponents</groupId>
                 <artifactId>httpclient</artifactId>
-                <version>4.5</version>
+                <version>4.5.5</version>
             </dependency>
             <dependency>
                 <groupId>org.apache.httpcomponents</groupId>
                 <artifactId>httpcore</artifactId>
-                <version>4.4.5</version>
+                <version>4.4.9</version>
             </dependency>
             <!--
             We don't actually use netty directly in this project, but we've added a dependency here
@@ -338,37 +338,37 @@
             <dependency>
                 <groupId>com.google.http-client</groupId>
                 <artifactId>google-http-client-jackson2</artifactId>
-                <version>1.22.0</version>
+                <version>1.27.0</version>
             </dependency>
             <dependency>
                 <groupId>com.google.api-client</groupId>
                 <artifactId>google-api-client</artifactId>
-                <version>1.22.0</version>
+                <version>1.27.0</version>
             </dependency>
             <dependency>
                 <groupId>com.google.oauth-client</groupId>
                 <artifactId>google-oauth-client</artifactId>
-                <version>1.22.0</version>
+                <version>1.27.0</version>
             </dependency>
             <dependency>
                 <groupId>com.google.http-client</groupId>
                 <artifactId>google-http-client</artifactId>
-                <version>1.22.0</version>
+                <version>1.27.0</version>
             </dependency>
             <dependency>
                 <groupId>com.google.auth</groupId>
                 <artifactId>google-auth-library-credentials</artifactId>
-                <version>0.10.0</version>
+                <version>0.12.0</version>
             </dependency>
             <dependency>
                 <groupId>com.google.auth</groupId>
                 <artifactId>google-auth-library-oauth2-http</artifactId>
-                <version>0.10.0</version>
+                <version>0.12.0</version>
             </dependency>
             <dependency>
                 <groupId>com.google.code.findbugs</groupId>
                 <artifactId>jsr305</artifactId>
-                <version>3.0.0</version>
+                <version>3.0.2</version>
             </dependency>
             <dependency>
                 <groupId>com.google.protobuf</groupId>