chore: Build with go 1.21

Author: mrueg

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ env:
   E2E_SETUP_KIND: yes
   E2E_SETUP_KUBECTL: yes
   SUDO: sudo
-  GO_VERSION: "^1.20"
+  GO_VERSION: "^1.21"
   GOLANGCI_LINT_VERSION: "v1.54.2"
 
 jobs:

.github/workflows/govulncheck.yml

@@ -6,7 +6,7 @@ on:
     - cron: '0 0 * * 1'
 
 env:
-  GO_VERSION: "^1.20"
+  GO_VERSION: "^1.21"
 
 jobs:
   ci-security-checks:

Dockerfile

@@ -1,4 +1,4 @@
-ARG GOVERSION=1.20
+ARG GOVERSION=1.21
 ARG GOARCH
 FROM golang:${GOVERSION} as builder
 ARG GOARCH

Makefile

@@ -16,7 +16,7 @@ OS ?= $(shell uname -s | tr A-Z a-z)
 ALL_ARCH = amd64 arm arm64 ppc64le s390x
 PKG = github.com/prometheus/common
 PROMETHEUS_VERSION = 2.46.0
-GO_VERSION = 1.20.7
+GO_VERSION = 1.21.1
 IMAGE = $(REGISTRY)/kube-state-metrics
 MULTI_ARCH_IMG = $(IMAGE)-$(ARCH)
 USER ?= $(shell id -u -n)