bump go version to 1.21

Author: shorsher

.github/workflows/release.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: "1.20"
+          go-version: "1.21"
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v4
         with:

Dockerfile

@@ -1,6 +1,6 @@
 ARG BUILD_VERSION=canary
 
-FROM golang:1.17-alpine3.15 as builder
+FROM golang:1.21.12-alpine as builder
 
 RUN apk add make gcc build-base curl git
 WORKDIR /firefly-perf-cli