chore(CHANGELOG): add 2.5.0 changelog

Signed-off-by: Matthew H. Irby <matt.irby@keyfactor.com>

Author: irby

CHANGELOG.md

@@ -1,3 +1,13 @@
+# v2.5.0
+## Features
+- Add support to specify a ConfigMap for CA trust bundles in Issuer / ClusterIssuer resources via the `caBundleConfigMapName` specification.
+- Add support for specifying a key on a Secret / ConfigMap resource for the CA trust bundle via the `caBundleKey` specification on an Issuer / ClusterIssuer resource.
+- Add a timeout when fetching ambient Azure credentials to move onto other ambient credential methods.
+
+## Chores
+- Add documentation for how to configure command-cert-manager-issuer with ambient credentials on Google Kubernetes Engine (GKE).
+- Add documentation for configuring CA trust bundles via Secret and ConfigMap resources using trust-manager.
+
 # v2.4.0
 ## Features
 - Add a `healthcheck` specification to Issuer / ClusterIssuer resources, allowing flexibility in the health check interval.