[LTP] [COMMITTED][PATCH] ci/wiki-mirror: Fix triggering CI

[xuyang2018.jy@fujitsu.com]

Hi Petr
> Matching github.repository instead of
> github.event.pull_request.head.repo.full_name is what is required for
> our workflow pushing directly to git (we very rarely use pull requests,
> and not for big changes which includes doc changes).
> 
> This also revert 820cfe539b as it didn't fix the problem.
> 
> Fixes: 760fdf3a8f ("ci: Don't run wiki mirror on LTP forks")
> 
> Signed-off-by: Petr Vorel<pvorel@suse.cz>
> ---
> Hi Xu,
> 
> FYI ba99b81708 ("doc: Fix typo missing s in .all_filesystems")
> verified it's working:
> 
> https://github.com/linux-test-project/ltp/actions/runs/1707090366

I found this problem when doc/* patch isn't the last patch of a
patchset.  But here it is a single patch.

Best Regards
Yang Xu
> 
> Kind regards,
> Petr
> 
>   .github/workflows/wiki-mirror.yml | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/.github/workflows/wiki-mirror.yml b/.github/workflows/wiki-mirror.yml
> index 302667255b..36c7d8311e 100644
> --- a/.github/workflows/wiki-mirror.yml
> +++ b/.github/workflows/wiki-mirror.yml
> @@ -11,7 +11,7 @@ on:
>   jobs:
>     mirror:
>       runs-on: ubuntu-latest
> -    if: ${{ github.event.pull_request.head.repo.full_name == 'linux-test-project/ltp' }}
> +    if: ${{ github.repository == 'linux-test-project/ltp' }}
>       steps:
>         - name: Checkout LTP
>           uses: actions/checkout@v2