chore(doc): Changelog updated

Author: bouda1

CHANGELOG.md

@@ -12,12 +12,17 @@ add query sql to check metrics to delete metric and file associated.
 Waiting longer for conflict manager to be connected without blocking if cbd
 is stopped.
 
+Cache loading queries are parallelized.
+
 *bam*
 
 A ba configured with best status was initialized in state OK. And when KPI were
 added, there status was always worst than OK (best case was OK). So even if all
 the kpi were in critical, the state appeared as OK.
 
+The cache in bam is lighter, only needed services are loaded. Metrics are no
+more loaded. And queries to load the cache are parallelized.
+
 *mysql_connection*
 
 A timeout is added on mysql\_ping and this function is less called than before.