Bump columnar to 11.3

(cherry picked from commit eca70b2)

src/backend/columnar/citus_columnar.control

@@ -1,6 +1,6 @@
 # Columnar extension
 comment = 'Citus Columnar extension'
-default_version = '11.2-1'
+default_version = '11.3-1'
 module_pathname = '$libdir/citus_columnar'
 relocatable = false
 schema = pg_catalog

src/backend/columnar/sql/citus_columnar--11.2-1--11.3-1.sql

@@ -0,0 +1 @@
+-- citus_columnar--11.2-1--11.3-1

src/backend/columnar/sql/downgrades/citus_columnar--11.3-1--11.2-1.sql

@@ -0,0 +1 @@
+-- citus_columnar--11.3-1--11.2-1

src/test/regress/expected/multi_fix_partition_shard_index_names.out

@@ -650,15 +650,15 @@ NOTICE:  issuing BEGIN TRANSACTION ISOLATION LEVEL READ COMMITTED;SELECT assign_
 DETAIL:  on server postgres@localhost:xxxxx connectionId: xxxxxxx
 NOTICE:  issuing SET citus.enable_ddl_propagation TO 'off'
 DETAIL:  on server postgres@localhost:xxxxx connectionId: xxxxxxx
-NOTICE:  issuing CREATE EXTENSION IF NOT EXISTS citus_columnar WITH SCHEMA  pg_catalog VERSION "11.2-1";
+NOTICE:  issuing CREATE EXTENSION IF NOT EXISTS citus_columnar WITH SCHEMA  pg_catalog VERSION "11.3-1";
 DETAIL:  on server postgres@localhost:xxxxx connectionId: xxxxxxx
 NOTICE:  issuing COMMIT
 DETAIL:  on server postgres@localhost:xxxxx connectionId: xxxxxxx
 NOTICE:  issuing BEGIN TRANSACTION ISOLATION LEVEL READ COMMITTED;SELECT assign_distributed_transaction_id(xx, xx, 'xxxxxxx');
 DETAIL:  on server postgres@localhost:xxxxx connectionId: xxxxxxx
 NOTICE:  issuing SET citus.enable_ddl_propagation TO 'off'
 DETAIL:  on server postgres@localhost:xxxxx connectionId: xxxxxxx
-NOTICE:  issuing CREATE EXTENSION IF NOT EXISTS citus_columnar WITH SCHEMA  pg_catalog VERSION "11.2-1";
+NOTICE:  issuing CREATE EXTENSION IF NOT EXISTS citus_columnar WITH SCHEMA  pg_catalog VERSION "11.3-1";
 DETAIL:  on server postgres@localhost:xxxxx connectionId: xxxxxxx
 NOTICE:  issuing COMMIT
 DETAIL:  on server postgres@localhost:xxxxx connectionId: xxxxxxx