Add knob to skip adding extended ACL to labdir

[steiler]

This PR adds the "--skip-labdir-acl" knob to the deploy call. Setting it will skip adding extended ACL to the lab dir.

[steiler]

@hellt can you maybe add a quick test. THX

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 53.78%. Comparing base (efbba05) to head (d3bf58f).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2028      +/-   ##
==========================================
+ Coverage   53.72%   53.78%   +0.06%     
==========================================
  Files         160      160              
  Lines       11515    11521       +6     
==========================================
+ Hits         6186     6197      +11     
+ Misses       4463     4459       -4     
+ Partials      866      865       -1     

Files	Coverage Δ
clab/deploy_options.go	66.66% <100.00%> (+2.38%)	⬆️
cmd/deploy.go	79.16% <100.00%> (+0.59%)	⬆️
clab/clab.go	70.27% <50.00%> (+0.04%)	⬆️

... and 1 file with indirect coverage changes

[hellt]

thanks for the quick turnover @steiler!
I tested locally and it works as advertised. didn't add tests though, just added the flag to one of the deployments so that we know it doesn't break things