Bump github.com/aws/aws-sdk-go-v2/config from 1.18.39 to 1.18.40 #898

	name: Unit (tip)

	on:
	push:
	branches:
	- "*"
	pull_request:
	branches:
	- "*"

	env:
	GITHUB_ACTIONS: true

	jobs:
	test:
	name: "go-HEAD @ ubuntu-latest"
	runs-on: ubuntu-latest
	steps:
	# https://github.com/actions/setup-go/issues/21#issuecomment-565741980
	- name: Install Go HEAD
	run: \|
	export GOROOT_BOOTSTRAP=`go env GOROOT`
	export GOROOT_FINAL=/go
	export GOROOT=$HOME/gotip
	mkdir $HOME/gotip
	cd $HOME/gotip

	curl -s 'https://go.googlesource.com/go/+/refs/heads/master?format=JSON' \| awk '/"commit"/{print substr($2,2,40);exit}' >HEAD
	awk '{printf("gotip-%s",substr($0,0,7))}' <HEAD >VERSION

	curl -s -o go.tar.gz https://go.googlesource.com/go/+archive/`cat HEAD`.tar.gz
	tar xfz go.tar.gz

	cd src
	bash make.bash
	echo "GOROOT=$GOROOT" >> $GITHUB_ENV
	echo "$GOROOT/bin" >> $GITHUB_PATH
	- uses: actions/checkout@v3
	with: { fetch-depth: 1 }
	- run: go version
	- run: make test-unit race=true

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