Redirect pluggable-transports/{bundle.git,fog.git} to GitLab

In addition to those in #41182 (closed), I've also migrated these repositories I am responsible for. Both of them have been archived.

gitolite	gitlab	fate
/pluggable-transports/bundle.git	/tpo/anti-censorship/pt-bundle	archive
/pluggable-transports/fog.git	/tpo/anti-censorship/pluggable-transports/fog	archive

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