Update dependency jenslys/opencode-gemini-auth to v1.4.6

Author: renovate[bot]

common/.config/opencode/config.json

@@ -2,7 +2,7 @@
   "$schema": "https://opencode.ai/config.json",
   "plugin": [
     "opencode-openai-codex-auth@4.3.0",
-    "opencode-gemini-auth@1.3.6",
+    "opencode-gemini-auth@1.4.6",
     "opencode-scheduler",
     "opencode-smart-voice-notify@latest"
   ],