Bumps all libraries

[Etienne-Carriere]

Global bumps of libraries => we will have the full CI/CD as it is a PR from a branch of the repository (contrary to dependabot which is a branch from a fork)

• Closes Bump github.com/hashicorp/go-getter from 1.5.3 to 1.7.0 #36
• Closes Bump golang.org/x/text from 0.3.5 to 0.3.8 #37
• Closes Bump golang.org/x/net from 0.0.0-20210326060303-6b1517762897 to 0.7.0 #38
• Closes Bump golang.org/x/sys from 0.0.0-20210324051608-47abb6519492 to 0.1.0 #39

Also update the CI matrix from 1.16=>1.18 to 1.18=>1.20