v1.14.7

What's Changed

• [release-1.14] Update 1.14 branch manifests by @houshengbo in #1801
• [release-1.14] Keep the letter v at the beginning of the version number for helm chart by @knative-prow-robot in #1802
• [release-1.14] Move the Helm artifact to a correct location by @houshengbo in #1803
• [release-1.14] Removed the namespace in Helm template by @knative-prow-robot in #1806

Full Changelog: knative-v1.14.1...knative-v1.14.2