fix(geoip): quote cloakbrowser[geoip] in user-facing error messages

zsh globs the unquoted bracket, so a user copy-pasting the printed
install hint hits a shell error. Quote it in both messages; update the
test that pinned the old string.

cloakbrowser/geoip.py

@@ -106,7 +106,7 @@ def resolve_proxy_geo_with_ip(
     except ImportError:
         raise ImportError(
             "geoip2 is required for geoip=True. Install it with:\n"
-            "  pip install cloakbrowser[geoip]"
+            "  pip install 'cloakbrowser[geoip]'"
         ) from None
 
     # Ensure the DB first — the download must NOT be bounded by the resolution
@@ -276,7 +276,7 @@ def _resolve_exit_ip(proxy_url: str | None, timeout: float | None = None) -> str
             return ip
         except httpx.UnsupportedProtocol:
             logger.warning(
-                "SOCKS5 proxy requires socksio: pip install cloakbrowser[geoip]"
+                "SOCKS5 proxy requires socksio: pip install 'cloakbrowser[geoip]'"
             )
             return None
         except Exception:

tests/test_geoip.py

@@ -78,7 +78,7 @@ def test_resolve_geo_raises_when_geoip2_missing():
         from importlib import reload
         import cloakbrowser.geoip as geoip_mod
         reload(geoip_mod)
-        with pytest.raises(ImportError, match="pip install cloakbrowser"):
+        with pytest.raises(ImportError, match=r"pip install 'cloakbrowser\[geoip\]'"):
             geoip_mod.resolve_proxy_geo("http://10.50.96.5:8888")
         # Restore
         reload(geoip_mod)