backend: bump go version

CondensedTea · CondensedTea · commit cb24035cf083 · 2026-01-08T14:48:14.000+01:00
diff --git a/backend/Dockerfile b/backend/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.23-alpine AS builder
+FROM golang:1.25-alpine AS builder
 
 WORKDIR /build
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-FROM golang:1.23-alpine AS builder`
	`1`	`+FROM golang:1.25-alpine AS builder`
`2`	`2`
`3`	`3`	`WORKDIR /build`
`4`	`4`