docs: Update key to signer-file-key-path in getting starter .witness.yaml #184

	permissions:
	id-token: write # This is required for requesting the JWT
	contents: read # This is required for actions/checkout
	name: test-github-token
	on: [push, pull_request]
	jobs:
	test-token:
	runs-on: ubuntu-latest
	steps:
	- name: Install Go
	uses: actions/setup-go@v2
	with:
	go-version: 1.19.x
	- name: Checkout code
	uses: actions/checkout@v2
	- uses: actions/cache@v2
	with:
	path: \|
	~/go/pkg/mod
	~/.cache/go-build
	key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
	restore-keys: \|
	${{ runner.os }}-go-
	- name: Build
	run: make build

	- name: Test
	run: ./bin/witness run -l debug -s test -a github --enable-archivist -o test.json --signer-fulcio-url https://fulcio.sigstore.dev --signer-fulcio-oidc-issuer https://oauth2.sigstore.dev/auth --signer-fulcio-oidc-client-id sigstore --timestamp-servers https://freetsa.org/tsr -- echo "hello" > test.txt
	- name: log output
	run: cat test.json

Provide feedback