chore(chart): bump initConfig script example versions

[cgarcia-l]

what

• Updated the versions in the initConfig script for the examples of terragrunt and terragrunt-atlantis-config.
• Bumped the terragrunt version from v0.47.0 to v0.67.5 and the terragrunt-atlantis-config version from 1.16.0 to 1.18.0.
• Adjusted the download commands and SHA256 checks for the new versions of the tools.

why

• Keeping the versions of terragrunt and terragrunt-atlantis-config up to date ensures better security, performance, and compatibility.
• The new versions include bug fixes and improvements, which enhance the functionality of the initConfig example.
• It provides up-to-date examples for users who want to configure their Atlantis pods with these tools.

tests

• Verified that the downloaded binaries match the provided SHA256 sums.
• Tested the script to ensure it correctly installs and configures terragrunt and terragrunt-atlantis-config in the init container.

references

• N/A

[GMartinez-Sisti]

Thanks @cgarcia-l. We can see from the job that the checksums matched.

We did had an issue with the first job run, but it was a timing issue with bats and atlantis being ready. If it happens again we'll have to adjust bats to wait a little bit more.