gha: clean .west before running tests on self hosted runners #123

	name: handle manifest PR
	on:
	pull_request_target:
	types: [opened, synchronize, closed]
	branches:
	- main

	jobs:
	create-manifest-pr:
	runs-on: ubuntu-latest
	steps:
	- name: Print Github context
	env:
	GITHUB_CONTEXT: ${{ toJson(github) }}
	run: echo "$GITHUB_CONTEXT"

	- name: Read body of PR
	env:
	GH_TOKEN: ${{ github.token }}
	run: \|
	gh api -H "Accept: application/vnd.github+json" -H "X-GitHub-Api-Version: 2022-11-28" /repos/${{github.repository}}/pulls/${{github.event.number}} --jq '.body' > pr_body.md

	- uses: chrisdickinson/setup-yq@latest
	- name: Get configuration
	id: config
	shell: bash {0}
	run: \|
	cat pr_body.md

	csplit pr_body.md /\`\`\`yaml/1
	csplit xx01 /\`\`\`/
	mv xx00 configuration.yaml

	create_pr=$(yq '.Github_actions.Create_NRF_PR' configuration.yaml)
	if [ $? != 0 ]; then
	echo "Did not found Create_NRF_PR in configuration, default to false."
	echo "Create_NRF_PR=false" >> $GITHUB_OUTPUT;
	else
	echo "Create_NRF_PR=$create_pr" >> $GITHUB_OUTPUT;
	fi;

	- name: Create manifest PR
	if: ${{ fromJson(steps.config.outputs.Create_NRF_PR) }}
	uses: nrfconnect/action-manifest-pr@main
	with:
	token: ${{ secrets.NCS_GITHUB_TOKEN }}

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