Update to go 1.22.3, fix Dockerfile warnings (#174)

* Update to go 1.22.3, fix Dockerfile warnings

Signed-off-by: Faisal Memon <fymemon@yahoo.com>

* Remove default version from dockerfile

Signed-off-by: Faisal Memon <fymemon@yahoo.com>

---------

Signed-off-by: Faisal Memon <fymemon@yahoo.com>

.github/tests/it/spiffe-helper/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.22.1-alpine AS spiffe-helper
+FROM golang:1.22.3-alpine AS spiffe-helper
 COPY ./ /service/
 WORKDIR /service
 RUN go build -tags netgo -a -v -o /service/spiffe-helper ./cmd/spiffe-helper

Dockerfile

@@ -1,6 +1,6 @@
 # Build the spiffe-helper binary
 ARG go_version
-FROM --platform=$BUILDPLATFORM golang:${go_version}-alpine as base
+FROM --platform=$BUILDPLATFORM golang:${go_version}-alpine AS base
 WORKDIR /workspace
 
 # Cache deps before building and copying source so that we don't need to re-download as much
@@ -18,7 +18,7 @@ COPY pkg/ pkg/
 # crane digest tonistiigi/xx:1.3.0
 FROM --platform=${BUILDPLATFORM} tonistiigi/xx@sha256:904fe94f236d36d65aeb5a2462f88f2c537b8360475f6342e7599194f291fb7e AS xx
 
-FROM --platform=${BUILDPLATFORM} base as builder
+FROM --platform=${BUILDPLATFORM} base AS builder
 ARG TARGETPLATFORM
 ARG TARGETARCH
 

go.mod

@@ -1,6 +1,6 @@
 module github.com/spiffe/spiffe-helper
 
-go 1.22.1
+go 1.22.3
 
 require (
 	github.com/hashicorp/hcl v1.0.0