community/libcouchbase: upgrade to 2.10.9
https://github.com/couchbase/libcouchbase/blob/2.10.9/RELEASE_NOTES.markdown#2109-march-03-2021
Ref !14619 (merged) (blocked on perl bindings)
usr/lib/libcouchbase.so.2
-usr/lib/libcouchbase.so.2.0.68
+usr/lib/libcouchbase.so.2.0.71
Edited by Andy Postnikov