chore: Decrease delays when creating or deleting `mongodbatlas_privatelink_endpoint_service`

Description

Reduces delay in Create and Delete methods for mongodbatlas_privatelink_endpoint_service from 5 minutes to 1 minute.

Link to any related issue(s): CLOUDP-281169

[ ] Bug fix (non-breaking change which fixes an issue). Please, add the "bug" label to the PR.
[ ] New feature (non-breaking change which adds functionality). Please, add the "enhancement" label to the PR. A migration guide must be created or updated if the new feature will go in a major version.
[ ] Breaking change (fix or feature that would cause existing functionality to not work as expected). Please, add the "breaking change" label to the PR. A migration guide must be created or updated.
[ ] This change requires a documentation update
[ ] Documentation fix/enhancement

[x] I have signed the MongoDB CLA
[x] I have read the contributing guides
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[ ] I have added tests that prove my fix is effective or that my feature works per HashiCorp requirements
[ ] I have added any necessary documentation (if appropriate)
[x] I have run make fmt and formatted my code
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[ ] If changes include removal or addition of 3rd party GitHub actions, I updated our internal document. Reach out to the APIx Integration slack channel to get access to the internal document.