Update links from beta to stable docs. (#49349)
Now that the beta docs have been merged into stable with the release of
13.4, this updates all links as some paths have changed due to
redirects.
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Co-authored-by: Steven <steven@ceriously.com>
Co-authored-by: Tobias Koppers <tobias.koppers@googlemail.com>
Co-authored-by: JJ Kasper <jj@jjsweb.site>
