design-autorepair.rst: use the same prefix everywhere
design-autorepair.rst: use the same prefix everywhere

This commit changes the "ganeti:watcher:repair:pending" and
"ganeti:watcher:repair:result" tag prefixes to use
"ganeti:watcher:autorepair:{pending,result}", so that the same prefix is
used in all cases.

Signed-off-by: Dato Simó <16293852a0900193fe70fa7d24f714f37ba99a56@google.com>
Reviewed-by: Guido Trotter <f62ca4d5358bdaeef0e50e57f9f7e231de63727e@google.com>

leshchevds/ganeti,apyrgio/snf-ganeti,ganeti-github-testing/ganeti-test-1,grnet/snf-ganeti,leshchevds/ganeti,dimara/ganeti,andir/ganeti,ganeti/ganeti,dimara/ganeti,yiannist/ganeti,bitemyapp/ganeti,andir/ganeti,onponomarev/ganeti,andir/ganeti,apyrgio/snf-ganeti,apyrgio/ganeti,onponomarev/ganeti,mbakke/ganeti,mbakke/ganeti,apyrgio/ganeti,grnet/snf-ganeti,leshchevds/ganeti,ganeti/ganeti,ganeti-github-testing/ganeti-test-1,ganeti/ganeti,mbakke/ganeti,yiannist/ganeti,yiannist/ganeti,bitemyapp/ganeti