ci: enable 7.17 branch

[v1v]

What does this PR do?

Enable 7.17 branch on daily and weekly builds

Why is it important?

7.17 was created but it was not enabled

[mergify]

This pull request does not have a backport label. Could you fix it @v1v? 🙏
To fixup this pull request, you need to add the backport labels for the needed
branches, such as:

• backport-v./d./d./d is the label to automatically backport to the 7./d branch. /d is the digit

NOTE: backport-skip has been added to this pull request.

[elasticmachine]

💚 Build Succeeded

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Build stats

• Start Time: 2021-12-24T10:32:49.038+0000

• Duration: 15 min 42 sec

• Commit: d643e66

Test stats 🧪

Test	Results
Failed	0
Passed	3
Skipped	0
Total	3

💚 Flaky test report

Tests succeeded.

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