Update go-cmp

What does this MR do?

Update the go-cmp module to avoid any md5 reference in the path towards the FIPS compliance.

Reference: #652 (comment 866250447).

TODO

• I added the Changelog trailer (e.g. Changelog: added) to the commits that need to be included in the changelog
• I added unit tests or they are not required
• I added acceptance tests or they are not required
• I added documentation (or it's not required)
• I followed code review guidelines
• I followed Go Style guidelines