Suggested reference update to Xray spelling and homepage

[JayCuthrell]

Was the reference to XRay https://github.com/cncf/radar/search?q=xray meant to be JFrog Xray the DevSecOps SCA toolset used with Artifactory in the Adopt range instead of XRay (an Idera Company)?

Additional context: https://sunday.fudge.org/p/underneath-the-cncf-tech-radar

Signed-off-by: Jay Cuthrell [email protected]