Sort out dependency issues (#1819)

Changes:
* fix typo, assertj is not compile dependency
* exclude error_prone_annos that come in via gson in Resolver
  SPI (RFC 9457)

Author: cstamas

maven-api-impl/pom.xml

@@ -131,6 +131,7 @@ under the License.
     <dependency>
       <groupId>org.assertj</groupId>
       <artifactId>assertj-core</artifactId>
+      <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.maven.resolver</groupId>

pom.xml

@@ -534,6 +534,12 @@ under the License.
         <groupId>org.apache.maven.resolver</groupId>
         <artifactId>maven-resolver-spi</artifactId>
         <version>${resolverVersion}</version>
+        <exclusions>
+          <exclusion>
+            <groupId>com.google.errorprone</groupId>
+            <artifactId>error_prone_annotations</artifactId>
+          </exclusion>
+        </exclusions>
       </dependency>
       <dependency>
         <groupId>org.apache.maven.resolver</groupId>