Update CHANGELOG to reflect contents of soon to be 0.4.0 release (#64)

CHANGELOG.md

@@ -11,17 +11,23 @@ Changelog for medusa-operator. New PRs should update the `master / unreleased` s
 
 ## Unreleased
 
-## v0.3.3
+## v0.4.0 - 2021-11-15
+* [CHANGE] [#58](https://github.com/k8ssandra/medusa-operator/pull/58) Update the Medusa protobuf format to include the topology
+* [FEATURE] [#61](https://github.com/k8ssandra/medusa-operator/issues/61) Allow specification of backup type (full vs differential) when creating a new backup
+* [BUGFIX] [#62](https://github.com/k8ssandra/medusa-operator/issues/62) Medusa-operator deployments on k8s v1.22 fail
+* [BUGFIX] [#59](https://github.com/k8ssandra/medusa-operator/pull/59) Change install directory for Fossa CLI in license-check workflow
+
+## v0.3.3 - 2021-06-22
 * [CHANGE] #46 Integrate Fossa component/license scanning
 * [ENHANCEMENT] #48 Avoid extra rolling restart during restore 
 
-## v0.3.2
+## v0.3.2 - 2021-05-24
 * [BUGFIX] #44 Fix JSON patch script for CRD
 
-## v0.3.1
+## v0.3.1 - 2021-05-20
 * [BUGFIX] #42 Fix CRD version upgrade
 
-## v0.3.0
+## v0.3.0 - 2021-05-20
 * [CHANGE] #39 Upgrade to cass-operator 1.7.0
 
 ## v0.2.1 - 2021-05-19