Back-end dependency updates ONLY MR

What does this MR do and why?

Updates BE dependencies: Go packages

Screenshots, screen recordings, or links to review app

1. go get -t -u ./... results:

2. go mod tidy results:

3. make lint-go && make go-tests results:

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

1. Configure a local GitLab Docs environment: https://gitlab.com/gitlab-org/technical-writing-group/gitlab-docs-hugo/-/blob/main/doc/setup.md.
2. Make sure the site is still working and information is coming through.

Merge request acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this merge request.

Closes #80 (closed)