Update nuget version to 6.9.1 #27

	name: Publish to nuget.org
	on:
	push:
	tags:
	- "v[0-9]+.[0-9]+.[0-9]+"
	jobs:
	build:
	runs-on: ubuntu-latest
	timeout-minutes: 3
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	with:
	fetch-depth: 0
	- name: Verify commit exists in origin/master
	run: git branch --remote --contains \| grep origin/master
	- name: Extract release notes
	run: \|
	git log --pretty=format:'%d %s' ${GITHUB_REF} \| perl -pe 's\| $.tag: v(\d+.\d+.\d+(-preview\d{3})?)(, .?)*$\|\n## \1\n\|g' > RELEASE-NOTES
	- name: Set VERSION variable from tag
	run: echo "VERSION=${GITHUB_REF/refs\/tags\/v/}" >> $GITHUB_ENV
	- name: Build
	run: dotnet build /warnaserror --configuration Release /p:Version=${VERSION}
	- name: Test
	run: dotnet test --configuration Release /p:Version=${VERSION} --no-build
	- name: Pack
	run: dotnet pack --configuration Release /p:Version=${VERSION} --no-build --output .
	- name: Push nuget to nuget.org
	run: dotnet nuget push RxTelegram.Bot.*.nupkg -k ${{secrets.NUGET_API_KEY}} -s https://api.nuget.org/v3/index.json

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