doc: added release doc for v0.8.0

Author: Skarlso

docs/release_notes/v0.8.0.md

@@ -0,0 +1,9 @@
+# Release 0.8.0
+
+- chore: update flux and ocm in testing framework (#69)
+- Create dependabot.yml (#45)
+- chore(deps): bump github.com/containerd/containerd from 1.7.0 to 1.7.11 (#48)
+- chore(deps): bump github.com/go-jose/go-jose/v3 from 3.0.0 to 3.0.1 (#46)
+- chore(deps): bump golang.org/x/net from 0.13.0 to 0.17.0 (#43)
+- chore(deps): bump github.com/cloudflare/circl from 1.3.3 to 1.3.7 (#49)
+- chore(deps): bump google.golang.org/grpc from 1.56.1 to 1.56.3 (#41)