build: update Dockerfile Go version from 1.24 to 1.25

Author: fty4

Dockerfile

@@ -1,5 +1,5 @@
 # ghcr.io/taskmedia/paperlessngx-ftp-bridge-image
-FROM golang:1.24-alpine AS builder
+FROM golang:1.25-alpine AS builder
 WORKDIR /app
 COPY go.mod go.sum ./
 RUN go mod download