[Bug] workflow download crowdin must be configure to run only on the original repo to avoid useless emailing

[NandyBa]

Describe the bug
At ACI we have a intance of this repo to implement and test change before pushing then to Aave Lab
We detect that workflow "Download crowdin" was executed on all the fork resulting on GitHub action failed and useless minimum 4 email notifications a day

Can you add an if: github.repository == 'aave/interface' as described in this GitHub doc chapter

To Reproduce
Steps to reproduce the behavior:

1. fork the repo
2. push it to github
3. wait some hour until the workflork "Download crowdin" been trigger by cron

Expected behavior
Workflow "Download crowdin" must been tigger only on the original repo

Screenshots
If applicable, add screenshots to help explain your problem.

Devices
All devices

Example of email

[NandyBa]

@CanonicalJP problem is not fixed

[CanonicalJP]

Re-opened