chore: adopt the NAPALM driver standard

- CI moves to .gitea/workflows/ci.yml and calls the shared driver workflow
  of NAPALM/driver-standard; .github/ is gone. napalm-device-types comes
  from git until 4.22.0 (AptProxyMixin) is on PyPI; the floor stays at
  4.22.0.
- requires-python >=3.10 (napalm-device-types needs it), py.typed, SPDX
  license string, a dev extra with floors (pytest-mock and responses are
  dropped: no test uses them), links to git.netork.io (README included).
  pytest no longer adds --cov by itself; CI passes it.
- mypy strict for the package; exempt for now, with 204 errors between
  them: napalm_proxmox.config_mixin, .driver, .interfaces_mixin,
  .lldp_mixin, .routing_mixin, .sdn_mixin, .system_mixin, .utils,
  .vm_contract_mixin, .vm_mixin and .vm_provision_mixin. They are recorded
  in the quality baseline with the long and complex functions and the two
  unannotated public methods.
- Coverage floor 68 % (measured 68.94 %).

README.md

@@ -12,8 +12,9 @@ It supports all three networking domains of Proxmox VE:
 
 ## Requirements
 
-- Python ≥ 3.9
+- Python ≥ 3.10
 - NAPALM ≥ 5.0.0
+- napalm-device-types ≥ 4.22.0
 - proxmoxer ≥ 2.0.0
 - netaddr ≥ 0.9.0
 - requests ≥ 2.31.0
@@ -27,7 +28,7 @@ pip install napalm-proxmox
 Or directly from source:
 
 ```bash
-git clone https://github.com/example/napalm-proxmox.git
+git clone https://git.netork.io/NAPALM/napalm-proxmox.git
 cd napalm-proxmox
 pip install -e .
 ```