Update nvm git repo, it has moved

[jbranchaud]

No description provided.

[metalfork]

@phutchins can you review, merge, and bump the version with this change please?

Currently https://github.com/creationix/nvm.git redirects to https://github.com/nvm-sh/nvm.git but it fails in the cookbook

[2021-11-02T19:10:06+00:00] FATAL: Chef::Exceptions::MultipleFailures: Multiple failures occurred:
* Mixlib::ShellOut::ShellCommandFailed occurred in chef run: nvm_install[10.4.0] (<redacted>) had an error: Mixlib::ShellOut::ShellCommandFailed: git[/home/deploy/.nvm] (/var/chef/cache/cookbooks/nvm/providers/install.rb line 60) had an error: Mixlib::ShellOut::ShellCommandFailed: Expected process to exit with [0], but received '128'
---- Begin output of git ls-remote "git://github.com/creationix/nvm.git" "master*" ----
STDOUT:
STDERR: fatal: remote error:
  The unauthenticated git protocol on port 9418 is no longer supported.
Please see https://github.blog/2021-09-01-improving-git-protocol-security-github/ for more information.
---- End output of git ls-remote "git://github.com/creationix/nvm.git" "master*" ----
Ran git ls-remote "git://github.com/creationix/nvm.git" "master*" returned 128
* Mixlib::ShellOut::ShellCommandFailed occurred in delayed notification: service[nginx] (<redacted>) had an error: Mixlib::ShellOut::ShellCommandFailed: Expected process to exit with [0], but received '5'