Fixed no space left on the device error (#1109)

Author: igor-karpukhin

.github/workflows/release-post-merge.yml

@@ -21,6 +21,13 @@ jobs:
     env:
       IMAGE_REPOSITORY: mongodb/mongodb-atlas-kubernetes-operator
     steps:
+      - name: Free disk space
+        run: | 
+          sudo swapoff -a
+          sudo rm -f /swapfile
+          sudo apt clean
+          docker rmi $(docker image ls -aq)
+          df -h
       - name: Print Env and Get version
         id: tag
         env: