docs: correct tool count in the fin-mcp manifest comment

find_account/find_category were added and get_openapi_spec dropped after this
comment was written, so the counts are 15 read / 39 total, not 14 / 38.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01L3qYLuu9jgXsCRXmJ18YGY

deploy/k8s/fin-mcp.yaml

@@ -55,7 +55,7 @@ spec:
               value: "8000"
             - name: FIN_MCP_PATH
               value: /mcp
-            # 38 tools instead of 14. Safe only while this stays unreachable
+            # 39 tools instead of 15. Safe only while this stays unreachable
             # from outside the cluster — see the header note.
             - name: FIN_MCP_ALLOW_WRITES
               value: "1"