Update CHANGELOG.md from release 26.7.0 (#848) #321

Job	Run time
Detect relevant changed files	4s
Build/Publish amd64 Image	8m 46s
Build/Publish arm64 Image	5m 16s
Run cargo-udeps	2m 12s
Publish/Sign 0.0.0-dev Index	40s
Package/Publish 0.0.0-dev Helm Chart	35s
Run OpenShift Preflight Check for 0.0.0-dev-arm64	31s
Generate Provenance for 0.0.0-dev (quay.io) / detect-env	4s
Run OpenShift Preflight Check for 0.0.0-dev-amd64	28s
Generate Provenance for 0.0.0-dev (oci.stackable.tech) / detect-env	6s
Generate Provenance for 0.0.0-dev (quay.io) / generator	41s
Generate Provenance for 0.0.0-dev (oci.stackable.tech) / generator	32s
Finished Build and Publish	3s
Generate Provenance for 0.0.0-dev (oci.stackable.tech) / final	3s
Generate Provenance for 0.0.0-dev (quay.io) / final	3s
Failure Notification	0s
	20m 4s

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