build: bump Go to v1.23.12

Dockerfile

@@ -1,4 +1,4 @@
-FROM --platform=${BUILDPLATFORM} golang:1.24-alpine as builder
+FROM --platform=${BUILDPLATFORM} golang:1.23.12-alpine as builder
 
 # Copy in the local repository to build from.
 COPY . /go/src/github.com/lightningnetwork/loop
@@ -14,8 +14,8 @@ ENV GO111MODULE on
 RUN apk add --no-cache --update alpine-sdk \
     git \
     make \
-&&  cd /go/src/github.com/lightningnetwork/loop \
-&&  make install
+    &&  cd /go/src/github.com/lightningnetwork/loop \
+    &&  make install
 
 # Start a new, final image to reduce size.
 FROM --platform=${BUILDPLATFORM} alpine as final

go.mod

@@ -215,4 +215,4 @@ replace github.com/lightninglabs/loop/swapserverrpc => ./swapserverrpc
 
 replace github.com/lightninglabs/loop/looprpc => ./looprpc
 
-go 1.23.9
+go 1.23.12

tools/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.23.9
+FROM golang:1.23.12
 
 RUN apt-get update && apt-get install -y git
 ENV GOCACHE=/tmp/build/.cache
@@ -13,4 +13,4 @@ RUN cd /tmp \
   && cd /tmp/tools \
   && go install -trimpath github.com/golangci/golangci-lint/cmd/golangci-lint \
   && chmod -R 777 /tmp/build/
-WORKDIR /build
+WORKDIR /build

tools/go.mod

@@ -1,6 +1,6 @@
 module github.com/lightninglabs/loop/tools
 
-go 1.23.9
+go 1.23.12
 
 require (
 	github.com/golangci/golangci-lint v1.64.6