Upgrade to Couchbase Java SDK 3.1.4. (#1123)

Upgrade to Couchbase Java SDK 3.1.4.

Closes #1122.
Original pull request #1123.

Co-authored-by: mikereiche <michael.reiche@couchbase.com>

Author: mikereiche

pom.xml

@@ -18,8 +18,8 @@
     </parent>
 
     <properties>
-        <couchbase>3.1.3</couchbase>
-        <couchbase.osgi>3.1.3</couchbase.osgi>
+        <couchbase>3.1.4</couchbase>
+        <couchbase.osgi>3.1.4</couchbase.osgi>
         <springdata.commons>2.5.0-SNAPSHOT</springdata.commons>
         <java-module-name>spring.data.couchbase</java-module-name>
     </properties>