Update changelog for v3.0.2 (#4455)

* Update changelog for v3.0.2

Signed-off-by: Hayden <haydentherapper@users.noreply.github.com>

* Update CHANGELOG.md

Signed-off-by: Hayden <haydentherapper@users.noreply.github.com>

---------

Signed-off-by: Hayden <haydentherapper@users.noreply.github.com>

Author: haydentherapper

CHANGELOG.md

@@ -1,3 +1,14 @@
+# v3.0.2
+
+v3.0.2 is a functionally equivalent release to v3.0.0 and v3.0.1, with a fix for CI to publish signed releases in the new bundle format.
+
+* Note that the `--bundle` flag specifying an output file to write the Sigstore bundle (which contains all relevant verification material) has moved from optional to required in v3.
+
+## Changes
+
+* choose different signature filename for KMS-signed release signatures (#4448)
+* Update rekor-tiles version path (#4450)
+
 # v3.0.1
 
 v3.0.1 is an equivalent release to v3.0.0, which was never published due to a failure in our CI workflows.