go.mod: bump go directive to 1.25.9 - #192

Sep 10, 2026

go.mod: bump go directive to 1.25.9#192
mramezani95 merged 1 commit into
sonic-net:masterfrom
xq9mend:upgrade/go-1.25.9-cve

go.mod + Dockerfile.build: bump Go to 1.25.9