[Javalin] Fine tune database pool size (#6436)

frameworks/Java/javalin/src/main/resources/environment.properties

@@ -1,10 +1,10 @@
 physicalTag=Citrine
 cloudTag=Azure
 
-mongodbPhysicalPoolSize=200
+mongodbPhysicalPoolSize=100
 mongodbCloudPoolSize=100
 mongodbDefaultPoolSize=50
 
-postgresPhysicalPoolSize=112
+postgresPhysicalPoolSize=56
 postgresCloudPoolSize=16
 postgresDefaultPoolSize=10