feat(teams): implement teams cmd

[haarchri]

Description of your changes

implement teams cmd in up-cli

Fixes #

I have:

• [x] Read and followed Upbound's contribution process.
• [x] Run make reviewable to ensure this PR is ready for review.
• [x] Added backport release-x.y labels to auto-backport this PR, as appropriate.

How has this code been tested

tested the implementation from up-sdk-go with an implementation in up-cli

added in go.mod

cat go.mod

[...]
replace github.com/upbound/up-sdk-go => ../up-sdk-go

up team create test-implementation -a upboundcare
upboundcare/test-implementation created

up team get test-implementation -a upboundcare   
NAME                  ID                                     CREATED
test-implementation   f68ca5fd-4a83-40bb-a620-3db3da3c9109   17s

up team list -a upboundcare
NAME                                       ID                                     CREATED
test123                                    5e8e8dab-3598-4003-a5ba-34a12859d60f   23m
test-implementation                        f68ca5fd-4a83-40bb-a620-3db3da3c9109   31s

up team delete test-implementation  -a upboundcare
Are you sure you want to delete this team? [y/n]: y
Deleting team upboundcare/test-implementation. This cannot be undone.
upboundcare/test-implementation deleted

up team list -a upboundcare                       
NAME                                       ID                                     CREATED
test123                                    5e8e8dab-3598-4003-a5ba-34a12859d60f   23m

[haarchri]

@RedbackThomson can you review again ?