Charm logging with structured fields

[hellt]

Using https://github.com/charmbracelet/log

[codecov]

Codecov Report

Attention: Patch coverage is 75.38462% with 16 lines in your changes missing coverage. Please review.

Project coverage is 52.48%. Comparing base (3685113) to head (56ccc48).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
nodes/vr_sros/vr-sros.go	0.00%	12 Missing ⚠️
clab/config/template.go	0.00%	1 Missing ⚠️
clab/config/utils.go	0.00%	1 Missing ⚠️
cmd/config.go	0.00%	1 Missing ⚠️
cmd/inspect/inspect_interfaces.go	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2449      +/-   ##
==========================================
+ Coverage   52.37%   52.48%   +0.10%     
==========================================
  Files         172      172              
  Lines       17582    17614      +32     
==========================================
+ Hits         9209     9245      +36     
+ Misses       7404     7398       -6     
- Partials      969      971       +2     

Files with missing lines	Coverage Δ
cert/certificate.go	37.25% <ø> (ø)
clab/authz_keys.go	53.57% <ø> (ø)
clab/clab.go	69.73% <100.00%> (ø)
clab/config.go	68.16% <100.00%> (ø)
clab/config/transport/ssh.go	0.00% <ø> (ø)
clab/config/transport/sshkind.go	0.00% <ø> (ø)
clab/dependency_manager/dependency_manager.go	97.14% <ø> (ø)
clab/dependency_manager/dependency_node.go	84.21% <ø> (ø)
clab/deploy_options.go	68.00% <ø> (ø)
clab/exec/exec.go	64.38% <100.00%> (+2.61%)	⬆️
... and 94 more