Merge pull request #2126 from slingamn/go122

upgrade to go 1.22

.github/workflows/build.yml

       - name: "setup go"
         uses: "actions/setup-go@v3"
         with:
-          go-version: "1.21"
+          go-version: "1.22"
       - name: "install python3-pytest"
         run: "sudo apt install -y python3-pytest"
       - name: "make install"

Dockerfile

 ## build ergo binary
-FROM docker.io/golang:1.21-alpine AS build-env
+FROM docker.io/golang:1.22-alpine AS build-env
 
 RUN apk upgrade -U --force-refresh --no-cache && apk add --no-cache --purge --clean-protected -l -u make git
 

go.mod

 module github.com/ergochat/ergo
 
-go 1.21
+go 1.22
 
 require (
 	code.cloudfoundry.org/bytefmt v0.0.0-20200131002437-cf55d5288a48