package/timescaledb: bump version to 2.21.0

Release notes: https://github.com/timescale/timescaledb/blob/2.21.0/CHANGELOG.md

Signed-off-by: Scott Fan <fancp2007@gmail.com>
Reviewed-by: Maxim Kochetkov <fido_max@inbox.ru>
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/timescaledb/timescaledb.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256  31418d888c2a26cd034cd91fcd51be3bb0108d907de9bf9e8bfebfbf20af7766  timescaledb-2.20.3.tar.gz
+sha256  08e44c875618ed5ffa0d5b968b268d437952a3847403ef70a0bf44d9e59f3c30  timescaledb-2.21.0.tar.gz
 sha256  0378e0948feefd85f579319c74d6e2b671194037f550c7176ef26649d94c895b  LICENSE

package/timescaledb/timescaledb.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-TIMESCALEDB_VERSION = 2.20.3
+TIMESCALEDB_VERSION = 2.21.0
 TIMESCALEDB_SITE = $(call github,timescale,timescaledb,$(TIMESCALEDB_VERSION))
 TIMESCALEDB_LICENSE = Apache-2.0
 TIMESCALEDB_LICENSE_FILES = LICENSE