Use a geoip tox factor

GeoIP requires libGeoIP which tox deps cannot install.
Likewise the GeoLiteCountry database which is also required by
TestLocationInfo().

The last GeoIP release was in 2014, and libGeoIP has been EOL since 2022,
but it is still available in Debian/Ubuntu.

.github/workflows/build.yml

@@ -105,7 +105,7 @@ jobs:
       - name: Run tests
         run: |
             python -m hatchling build -t sdist --hooks-only
-            python -m tox -e ${{ matrix.toxenv }}
+            python -m tox -e ${{ matrix.toxenv }}-geoip
 
       - name: Report to coveralls
         uses: coverallsapp/github-action@f350da2c033043742f89e8c0b7b5145a1616da6d  # v2.1.2

tox.ini

@@ -9,7 +9,7 @@ deps =
     pyopenssl
     pytest-xdist
     pytest-cov
-    GeoIP
+    geoip: GeoIP
 
 [testenv]
 usedevelop = true