cmd/worker: update golang version to 1.25.0 in Dockerfile

Change-Id: I48e9326d67615115f5462337b728f28807896646
Reviewed-on: https://go-review.googlesource.com/c/pkgsite-metrics/+/697755
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ethan Lee <ethanalee@google.com>
Reviewed-by: Neal Patel <nealpatel@google.com>

cmd/worker/Dockerfile

diff --git a/cmd/worker/Dockerfile b/cmd/worker/Dockerfile
index e557e90..7eee78c 100644
--- a/cmd/worker/Dockerfile
+++ b/cmd/worker/Dockerfile
@@ -13,7 +13,7 @@
 # installed here will be shadowed.
 
 
-FROM golang:1.23.0
+FROM golang:1.25.0
 
 LABEL maintainer="Go Ecosystem Team <go-ecosystem-team@google.com>"