GitHub+Dockerfile: bump Go version to v1.22.3

Author: ViktorT-11

.github/workflows/main.yml

@@ -12,7 +12,7 @@ env:
   # If you change this value, please change it in the following files as well:
   # /Dockerfile
   # /dev.Dockerfile
-  GO_VERSION: 1.21
+  GO_VERSION: 1.22.3
 
 jobs:
   ########################

Dockerfile

@@ -35,7 +35,7 @@ RUN apk add --no-cache --update alpine-sdk \
 # If you change this value, please also update:
 # /dev.Dockerfile
 # /.github/workflows/main.yml
-FROM golang:1.21-alpine as golangbuilder
+FROM golang:1.22.3-alpine as golangbuilder
 
 # Instead of checking out from git again, we just copy the whole working
 # directory of the previous stage that includes the generated static assets.

dev.Dockerfile

@@ -13,7 +13,7 @@ RUN cd /go/src/github.com/lightninglabs/lightning-terminal/app \
 # If you change this value, please also update:
 # /Dockerfile
 # /.github/workflows/main.yml
-FROM golang:1.21-alpine as golangbuilder
+FROM golang:1.22.3-alpine as golangbuilder
 
 # Instead of checking out from git again, we just copy the whole working
 # directory of the previous stage that includes the generated static assets.