Bump sprig to latest version

[yorinasub17]

Description

This bumps the version of sprig linked in boilerplate to the latest version. Note that this is a major version bump, but for all intents and purposes, is backward compatible according to sprig release notes.

TODOs

Please ensure all of these TODOs are completed before asking for a review.

• [x] Ensure the branch is named correctly with the issue number. e.g: feature/new-vpc-endpoints-955 or bug/missing-count-param-434.
• [x] Update the docs.
• [x] Keep the changes backward compatible where possible.
• [x] Run the pre-commit checks successfully.
• [x] Run the relevant tests successfully.

[yorinasub17]

Thanks for review! Merging in now!