fix: update sanity-checks.sh

[alicejli]

#2890

This updates the columns sanity-checks.sh checks for to match the ones generated by generate-library-list.sh.

Example error: https://github.com/GoogleCloudPlatform/spring-cloud-gcp/actions/runs/9096934589/job/25003567600

accessapproval,  google/cloud/accessapproval/v1,  com.google.cloud:google-cloud-accessapproval,  java/accessapproval, 
sanity check failed:
  the library list entry 'accessapproval' has an empty required cell - see /home/runner/work/spring-cloud-gcp/spring-cloud-gcp/spring-cloud-

df9f705#diff-d70307c629e3ee96cc0a222bda6e4cc1e02a27d95691b81c4c66fa51883ab3a0 removed the googleapis_committish column in spring-cloud-generator/scripts/generate-library-list.sh, but not sanity-checks.sh.

[sonarcloud]

Quality Gate passed

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