Update CHANGELOG.md from release 26.3.0 (#768) #138

Job	Run time
Detect relevant changed files	5s
Run cargo-udeps	2m 3s
Build/Publish amd64 Image	6m 59s
Build/Publish arm64 Image	5m 28s
Package/Publish 0.0.0-dev Helm Chart	37s
Publish/Sign 0.0.0-dev Index	37s
Run OpenShift Preflight Check for 0.0.0-dev-arm64	20s
Run OpenShift Preflight Check for 0.0.0-dev-amd64	15s
Failure Notification	-1s
Finished Build and Publish	2s
	16m 25s

Provide feedback