updating go version in release

Author: vbouchaud

.github/workflows/release.yml

@@ -30,7 +30,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: "1.20"
+          go-version: "1.21"
 
       - name: Prepare
         id: prep

Dockerfile

@@ -1,6 +1,6 @@
 FROM golang:1.21.4-alpine AS build
 # TODO: dynamically get this value
-ENV GOVERSION=1.20.4
+ENV GOVERSION=1.21.4
 
 WORKDIR /usr/src
 RUN apk add --no-cache \