Otherwise we get multiple APKs in the `results` folder.
```
admin@linux-01.he-eu-hel1.ci.devel:/home/jenkins/workspace/status-mobile/e2e/status-app-prs % ls -l result
total 502236
-rw-r--r-- 1 jenkins jenkins 57334087 Feb 7 10:25 StatusIm-Mobile-230207-101618-991339-pr14988-x86.apk
-rw-r--r-- 1 jenkins jenkins 57080127 Feb 7 13:18 StatusIm-Mobile-230207-131114-098c05-pr14977-x86.apk
-rw-r--r-- 1 jenkins jenkins 57088322 Feb 7 14:19 StatusIm-Mobile-230207-141155-05cc4c-pr15002-x86.apk
...
```
And `utils.findFile()` just pick the first one alphabeticlly.
Signed-off-by: Jakub Sokołowski <jakub@status.im>
Using `copyArtifacts()` is more reliable and faster then fetching APKs
based on URLs acquired by parsing GitHub comments from Jenkins builds.
Signed-off-by: Jakub Sokołowski <jakub@status.im>