Update golang Docker tag to v1.25.3

renovate[bot] · web-flow · commit 59c07a39f495 · 2025-10-14T02:14:50.000Z
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.15.5
+FROM golang:1.25.3
 
 ENV PKG github.com/yuuki/shawk
 WORKDIR /go/src/$PKG
