Update CHANGELOG.md from release 26.3.0 (#690) #149

Job	Run time
Detect relevant changed files	5s
Build/Publish amd64 Image	6m 43s
Build/Publish arm64 Image	5m 33s
Run cargo-udeps	2m 1s
Package/Publish 0.0.0-dev Helm Chart	32s
Publish/Sign 0.0.0-dev Index	39s
Run OpenShift Preflight Check for 0.0.0-dev-amd64	19s
Run OpenShift Preflight Check for 0.0.0-dev-arm64	17s
Failure Notification	0s
Finished Build and Publish	3s
	16m 12s

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