multi: bump go version to 1.21

This includes an upgrade to the wasm_exec.js file in order to prevent
runtime errors in a js environment.

Author: ellemouton

.github/workflows/main.yml

@@ -16,7 +16,7 @@ env:
   # go needs absolute directories, using the $HOME variable doesn't work here.
   GOCACHE: /home/runner/work/go/pkg/build
   GOPATH: /home/runner/work/go
-  GO_VERSION: 1.19.7
+  GO_VERSION: 1.21
 
 jobs:
   ########################

Dockerfile-wasm

@@ -1,5 +1,5 @@
-#Get golang 1.19 as a base image
-FROM golang:1.19 as builder
+#Get golang 1.21 as a base image
+FROM golang:1.21 as builder
 
 #Define the working directory in the container
 WORKDIR /app

RELEASE.md

@@ -6,7 +6,7 @@ This document describes the steps needed to release a new version of LNC binarie
 
 1. Android Studio with Android SDK (API level 16 or newer)
 2. Xcode (latest version)
-3. Go v1.19.8 or newer
+3. Go v1.21.0 or newer
 
 ### Build Release Binaries
 

cmd/wasm-client/go.mod

@@ -196,4 +196,4 @@ replace github.com/lightninglabs/lightning-node-connect/hashmailrpc => ../../has
 // taproot-assets dependency to function properly.
 replace google.golang.org/protobuf => github.com/lightninglabs/protobuf-go-hex-display v1.30.0-hex-display
 
-go 1.19
+go 1.21