deps(shared-deps): migrate awaitility to shared-dependencies (#13671)

Move awaitility dependency management to java-shared-dependencies so
that it can be managed centrally in the monorepo. Remove local
awaitility version override from java-spanner.

Author: lqiu96

java-datastore/google-cloud-datastore/pom.xml

@@ -248,7 +248,6 @@
     <dependency>
       <groupId>org.awaitility</groupId>
       <artifactId>awaitility</artifactId>
-      <version>4.3.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>

java-spanner/google-cloud-spanner/pom.xml

@@ -15,7 +15,6 @@
   </parent>
   <properties>
     <site.installationModule>google-cloud-spanner</site.installationModule>
-    <awaitility.version>4.3.0</awaitility.version>
     <opencensus.version>0.31.1</opencensus.version>
     <google.cloud.monitoring.version>3.85.0</google.cloud.monitoring.version>
     <spanner.testenv.config.class>com.google.cloud.spanner.GceTestEnvConfig</spanner.testenv.config.class>
@@ -439,7 +438,6 @@
     <dependency>
       <groupId>org.awaitility</groupId>
       <artifactId>awaitility</artifactId>
-      <version>${awaitility.version}</version>
       <scope>test</scope>
     </dependency>
 

sdk-platform-java/java-shared-dependencies/third-party-dependencies/pom.xml

@@ -273,6 +273,12 @@
         <artifactId>jspecify</artifactId>
         <version>${jspecify.version}</version>
       </dependency>
+      <dependency>
+        <groupId>org.awaitility</groupId>
+        <artifactId>awaitility</artifactId>
+        <version>${awaitility.version}</version>
+        <scope>test</scope>
+      </dependency>
     </dependencies>
   </dependencyManagement>
 </project>