chore: add relese notes for v0.16.0

On-behalf-of: Gergely Brautigam <gergely.brautigam@sap.com>

Signed-off-by: Gergely Brautigam <182850+Skarlso@users.noreply.github.com>

Author: Skarlso

docs/release_notes/v0.16.0.md

@@ -0,0 +1,8 @@
+# Release v0.16.0
+
+- chore: bump ocm version to v0.41.0 (#245)
+- chore(deps): bump the go group across 1 directory with 17 updates (#244)
+- chore(deps): bump github.com/go-git/go-git/v5 from 5.17.1 to 5.18.0 (#241)
+- chore(deps): bump the go group with 6 updates (#242)
+- chore(deps): bump github.com/moby/spdystream from 0.5.0 to 0.5.1 (#240)
+- chore(deps): bump github.com/sigstore/timestamp-authority/v2 from 2.0.4 to 2.0.6 (#239)