Setting GemFire version back to 8.0.+

The newer Gem Fire version 8.1.+ has compatability issues with the
existing Gem Fire service level and will need to be incremented in
step in future. This commit fixes the updated version to a known
working version.

[#88689882]

Author: Christopher Frost

config/tomcat.yml

@@ -36,16 +36,16 @@ redis_store:
   connection_pool_size: 2
 gemfire_store:
   gemfire:
-    version: 8.1.+
+    version: 8.0.+
     repository_root: "{default.repository.root}/gem-fire"
   gemfire_modules:
-    version: 8.1.+
+    version: 8.0.+
     repository_root: "{default.repository.root}/gem-fire-modules"
   gemfire_modules_tomcat7:
-    version: 8.1.+
+    version: 8.0.+
     repository_root: "{default.repository.root}/gem-fire-modules-tomcat7"
   gemfire_security:
-    version: 8.1.+
+    version: 8.0.+
     repository_root: "{default.repository.root}/gem-fire-security"
   gemfire_logging:
     version: 1.5.8