Release 7.4.0

[vparfonov]

• che-theia @evidolob eclipse/che-theia:7.4.0
• che-machine-exec @ibuziuk quay.io/eclipse/che-machine-exec:7.4.0
  • che #15111 Releasing 7.4.0 version of 'che-machine-exec' che-machine-exec#52
  • version bump in master che #15111 Bumping version to '7.5.0-SNAPSHOT' in master che-machine-exec#53
• che-plugin-registry @ibuziuk quay.io/eclipse/che-plugin-registry:7.4.0
  • Release 7.4.0 version of the che-plugin-registry che-plugin-registry#287
  • version bump in master che #15111 Bumping version to '7.5.0-SNAPSHOT'. Adding the latest '7.4.0' versions of che-theia and che-machine-exec plugins and updating che-plugin-registry#288
• che-devfile-registry @ibuziuk quay.io/eclipse/che-devfile-registry:7.4.0
  • che #15111 Release '7.4.0' version of the che-devfile-registry che-devfile-registry#138
  • version bump in master che #15111 Bumping version to '7.5.0-SNAPSHOT' in master che-devfile-registry#139
• che @vparfonov
  • che-parent
  • che-docs
  • che
• che-operator @davidfestal
  • Update eclipse-che operator for kubernetes to release 7.4.0 operator-framework/community-operators#859
  • Update eclipse-che operator for openshift to release 7.4.0 operator-framework/community-operators#862
• chectl @l0rd

[evidolob]

We need #15112 merged in che to be able to build dashboard for 7.4.0

[ibuziuk]

I believe we can close this one