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.
- requires-python >=3.10 (napalm-device-types needs it), LICENSE file,
  py.typed, setuptools>=77 with the SPDX license string, Issues and
  Changelog links on git.netork.io, napalm-device-types>=4.21.1 from PyPI,
  floors on the dev extra.
- mypy strict for the whole package, no module exempt: optional_args is
  dict[str, Any] | None.
- tests/quality_baseline.json records get_facts and get_route_to, over
  complexity 10. Coverage floor 95 % (measured 95.67 %).
- CHANGELOG.md in Keep a Changelog form; the README says no host output is
  recorded yet, links napalm-device-types in the NAPALM org and pypsrp on
  PyPI.

.gitea/workflows/ci.yml

@@ -0,0 +1,15 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+    tags: ["v*"]
+  pull_request:
+
+jobs:
+  driver:
+    uses: NAPALM/driver-standard/.gitea/workflows/driver.yml@main
+    with:
+      standard-ref: main
+    secrets:
+      PYPI_TOKEN: ${{ secrets.PYPI_TOKEN }}