Merge branch 'release/1.20'

CHANGELOG/CHANGELOG-1.20.md

@@ -13,7 +13,7 @@ Changelog for the K8ssandra Operator, new PRs should update the `unreleased` sec
 
 When cutting a new release, update the `unreleased` heading to the tag being generated and date, like `## vX.Y.Z - YYYY-MM-DD` and create a new placeholder section for  `unreleased` entries.
 
-## Unreleased
+## v1.20.1 - 2024-09-19
 
 * [BUGFIX] Upgrade cass-operator to v1.22.4 to fix security context overwrites