redeploy command without parameters

[axxyhtrx]

Fix for #2378.
Now it is possible to redeploy the lab with *.clab.yml|*.clab.yaml file in a folder without parameters:

anatoly@orb:~/containerlab/bin$ ls
containerlab  pr.clab.yaml
anatoly@orb:~/containerlab/bin$ sudo ./containerlab deploy
INFO[0000] Containerlab v0.0.0 started
INFO[0000] Parsing & checking topology file: pr.clab.yaml
INFO[0000] Creating lab directory: /home/anatoly/containerlab/bin/clab-srl01
INFO[0000] Creating container: "srl"
INFO[0000] Running postdeploy actions for Nokia SR Linux 'srl' node
INFO[0005] Adding containerlab host entries to /etc/hosts file
INFO[0005] Adding ssh config for containerlab nodes
INFO[0005] 🎉 New containerlab version 0.61.0 is available! Release notes: https://containerlab.dev/rn/0.61/
Run 'containerlab version upgrade' to upgrade or go check other installation options at https://containerlab.dev/install/
╭────────────────┬───────────────────────┬─────────┬───────────────────╮
│      Name      │       Kind/Image      │  State  │   IPv4/6 Address  │
├────────────────┼───────────────────────┼─────────┼───────────────────┤
│ clab-srl01-srl │ nokia_srlinux         │ running │ 172.20.20.4       │
│                │ ghcr.io/nokia/srlinux │         │ 3fff:172:20:20::4 │
╰────────────────┴───────────────────────┴─────────┴───────────────────╯
anatoly@orb:~/containerlab/bin$ sudo ./containerlab redeploy
INFO[0000] Parsing & checking topology file: pr.clab.yaml
INFO[0000] Parsing & checking topology file: pr.clab.yaml
INFO[0000] Destroying lab: srl01
INFO[0000] Removed container: clab-srl01-srl
INFO[0000] Removing containerlab host entries from /etc/hosts file
INFO[0000] Removing ssh config for containerlab nodes
INFO[0000] Containerlab v0.0.0 started
INFO[0000] Parsing & checking topology file: pr.clab.yaml
INFO[0000] Creating lab directory: /home/anatoly/containerlab/bin/clab-srl01
INFO[0000] Creating container: "srl"
INFO[0000] Running postdeploy actions for Nokia SR Linux 'srl' node
INFO[0003] Adding containerlab host entries to /etc/hosts file
INFO[0003] Adding ssh config for containerlab nodes
INFO[0003] 🎉 New containerlab version 0.61.0 is available! Release notes: https://containerlab.dev/rn/0.61/
Run 'containerlab version upgrade' to upgrade or go check other installation options at https://containerlab.dev/install/
╭────────────────┬───────────────────────┬─────────┬───────────────────╮
│      Name      │       Kind/Image      │  State  │   IPv4/6 Address  │
├────────────────┼───────────────────────┼─────────┼───────────────────┤
│ clab-srl01-srl │ nokia_srlinux         │ running │ 172.20.20.4       │
│                │ ghcr.io/nokia/srlinux │         │ 3fff:172:20:20::4 │
╰────────────────┴───────────────────────┴─────────┴───────────────────╯
anatoly@orb:~/containerlab/bin$ sudo ./containerlab destroy
INFO[0000] Parsing & checking topology file: pr.clab.yaml
INFO[0000] Parsing & checking topology file: pr.clab.yaml
INFO[0000] Destroying lab: srl01
INFO[0000] Removed container: clab-srl01-srl
INFO[0000] Removing containerlab host entries from /etc/hosts file
INFO[0000] Removing ssh config for containerlab nodes
anatoly@orb:~/containerlab/bin$```

[hellt]

lol

+1/-1 is my favorite type of PRs

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 51.85%. Comparing base (3065a43) to head (961afdc).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2379      +/-   ##
==========================================
- Coverage   51.88%   51.85%   -0.04%     
==========================================
  Files         173      173              
  Lines       17289    17289              
==========================================
- Hits         8971     8965       -6     
- Misses       7374     7379       +5     
- Partials      944      945       +1     

Files with missing lines	Coverage Δ
cmd/root.go	72.72% <100.00%> (ø)

... and 1 file with indirect coverage changes