deps: downgrade appengine-api to 1.9.X

deps: upgrade google-http-client 1.41.8

Author: suztomo

pom.xml

@@ -493,15 +493,15 @@
   </build>
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <project.http.version>1.41.7</project.http.version>
+    <project.http.version>1.41.8</project.http.version>
     <project.httpcore.version>4.4.15</project.httpcore.version>
     <project.httpclient.version>4.5.13</project.httpclient.version>
     <project.oauth.version>1.33.3</project.oauth.version>
     <project.jsr305.version>3.0.2</project.jsr305.version>
     <project.gson.version>2.8.6</project.gson.version>
     <project.protobuf-java.version>3.20.1</project.protobuf-java.version>
     <project.guava.version>31.1-jre</project.guava.version>
-    <project.appengine.version>2.0.4</project.appengine.version>
+    <project.appengine.version>1.9.96</project.appengine.version>
     <project.xpp3.version>1.1.4c</project.xpp3.version>
     <project.jdo2-api.version>2.3-20090302111651</project.jdo2-api.version>
     <project.datanucleus-core.version>3.2.2</project.datanucleus-core.version>