Feature: handle local Git repository

[Guts]

With this PR it's possible to use the scenario manager job on local Git repositories:

- name: Synchronize profiles from local git repository
  uses: qprofiles-manager
  with:
    action: download
    branch: main
    protocol: git
    source: file:///home/jmo/Git/Geotribu/profils-qgis
    sync_mode: only_new_version

Closes #189

[codecov-commenter]

Codecov Report

Merging #255 (745744d) into main (a0b14b8) will decrease coverage by 1.94%.
The diff coverage is 28.57%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #255      +/-   ##
==========================================
- Coverage   67.93%   66.00%   -1.94%     
==========================================
  Files          34       35       +1     
  Lines        1887     1971      +84     
  Branches      402      416      +14     
==========================================
+ Hits         1282     1301      +19     
- Misses        497      561      +64     
- Partials      108      109       +1     

Impacted Files	Coverage Δ
..._deployment_toolbelt/profiles/local_git_handler.py	23.07% <23.07%> (ø)
...loyment_toolbelt/jobs/job_profiles_synchronizer.py	41.73% <37.50%> (-1.90%)	⬇️
qgis_deployment_toolbelt/profiles/__init__.py	100.00% <100.00%> (ø)
...deployment_toolbelt/profiles/remote_git_handler.py	78.87% <100.00%> (ø)

[florentfgrs]

Tested locally with this profiles