collectd: security bump to version 5.5.2

Fixes a heap overflow in the network plugin.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/collectd/collectd.hash

@@ -1,2 +1,2 @@
 # From https://collectd.org/files/SHA256SUM
-sha256	f9c5d526e1f0429a7db1ccd90bdf9e23923a2fd43b7285cfda8f0341e5c0bc3f	collectd-5.5.1.tar.bz2
+sha256	017f3a4062187e594d8ab6af685655fb82a8a942dc574668e68242bdb8ba820f	collectd-5.5.2.tar.bz2

package/collectd/collectd.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-COLLECTD_VERSION = 5.5.1
+COLLECTD_VERSION = 5.5.2
 COLLECTD_SITE = http://collectd.org/files
 COLLECTD_SOURCE = collectd-$(COLLECTD_VERSION).tar.bz2
 COLLECTD_CONF_ENV = ac_cv_lib_yajl_yajl_alloc=yes