deploy: Upgrade worker.yaml go version to 1.25.0

Change-Id: I732520bffd23a849d3be200b356cf3036dfb89fb
Reviewed-on: https://go-review.googlesource.com/c/pkgsite-metrics/+/698255
Auto-Submit: Ethan Lee <ethanalee@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Neal Patel <nealpatel@google.com>

deploy/worker.yaml

diff --git a/deploy/worker.yaml b/deploy/worker.yaml
index a49d699..904cf8a 100644
--- a/deploy/worker.yaml
+++ b/deploy/worker.yaml
@@ -13,7 +13,7 @@
 
 steps:
   - id: Lock
-    name: golang:1.23.0
+    name: golang:1.25.0
     entrypoint: bash
     args:
       - -ec
@@ -27,7 +27,7 @@
 
   - id: Test
     # Run tests. Do this early, to avoid wasting time if they fail.
-    name: golang:1.23.0
+    name: golang:1.25.0
     entrypoint: bash
     args:
       - -ec