Use scarb check in docs packages verification (#3758)

<!-- Reference any GitHub issues resolved by this PR -->

Closes #2718

## Introduced changes

<!-- A brief description of the changes -->

-

## Checklist

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- [ ] Linked relevant issue
- [ ] Updated relevant documentation
- [ ] Added relevant tests
- [ ] Performed self-review of the code
- [ ] Added changes to `CHANGELOG.md`

Author: franciszekjob

scripts/verify_cairo_listings.sh

@@ -1,5 +1,4 @@
 #!/bin/bash
 set -xe
 
-# TODO(#2718)
-for d in ./docs/listings/*; do (cd "$d" && scarb build); done
+for d in ./docs/listings/*; do (cd "$d" && scarb check); done