chore(deps): update dependency apollographql/router to v2.12.0

Author: renovate[bot]

Dockerfile

@@ -4,7 +4,7 @@ FROM almalinux:10-minimal@sha256:4f02be934419e0cc0b89f95be6463be8a7736eb75017f99
 # renovate: datasource=github-releases depName=just-containers/s6-overlay
 ARG S6_OVERLAY_VERSION=3.2.1.0
 # renovate: datasource=github-releases depName=apollographql/router
-ARG APOLLO_ROUTER_VERSION=2.10.0
+ARG APOLLO_ROUTER_VERSION=2.12.0
 # renovate: datasource=github-releases depName=apollographql/apollo-mcp-server
 ARG APOLLO_MCP_SERVER_VERSION=1.7.0