Add -e flag to `go list` command to fix `make` commands #408

	name: ci
	on:
	- push
	- pull_request
	jobs:
	generate:
	runs-on: ubuntu-latest
	name: Generate yaml
	steps:
	- uses: actions/checkout@v2
	with:
	persist-credentials: false
	- run: make --always-make generate && git diff --exit-code
	jsonnet-lint:
	runs-on: ubuntu-latest
	name: Jsonnet linter
	steps:
	- uses: actions/checkout@v2
	with:
	persist-credentials: false
	- run: make --always-make jsonnet-lint
	dashboards-lint:
	runs-on: ubuntu-latest
	name: Grafana dashboard linter
	steps:
	- uses: actions/checkout@v2
	with:
	persist-credentials: false
	- run: make --always-make dashboards-lint
	alerts-lint:
	runs-on: ubuntu-latest
	name: Alerts linter
	steps:
	- uses: actions/checkout@v2
	with:
	persist-credentials: false
	- run: make --always-make alerts-lint
	fmt:
	runs-on: ubuntu-latest
	name: Jsonnet formatter
	steps:
	- uses: actions/checkout@v2
	with:
	persist-credentials: false
	- run: make --always-make fmt && git diff --exit-code
	unit-tests:
	runs-on: ubuntu-latest
	name: Unit tests
	steps:
	- uses: actions/checkout@v2
	with:
	persist-credentials: false
	- run: make --always-make test

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