style: fix a few code style/static analysis warning CS8620 #84

	name: SonarCloud analysis

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]
	workflow_dispatch:

	permissions:
	pull-requests: read # allows SonarCloud to decorate PRs with analysis results

	jobs:
	Analysis:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0
	- uses: actions/setup-dotnet@v3
	with:
	dotnet-version: \|
	7.0.x
	6.0.x
	5.0.x
	3.1.x
	2.1.x

	- name: Install Sonar scanner
	run: dotnet tool install --global dotnet-sonarscanner

	- name: Install Coverlet
	run: \|
	find ./test -type f -name "*Tests.csproj" -exec dotnet add "{}" package coverlet.msbuild \;

	- name: Set env
	run: \|
	echo "GITHUB_REPOSITORY_NAME=${GITHUB_REPOSITORY#*/}" >> $GITHUB_ENV
	echo "SONAR_PROJECT_KEY=${GITHUB_REPOSITORY_OWNER}_${GITHUB_REPOSITORY#*/}" >> $GITHUB_ENV
	echo "SONAR_ORG_KEY=${GITHUB_REPOSITORY_OWNER}" >> $GITHUB_ENV

	- name: Analyze with SonarCloud
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
	run: \|
	dotnet sonarscanner begin /k:"$SONAR_PROJECT_KEY" /o:"$SONAR_ORG_KEY" /d:sonar.host.url=https://sonarcloud.io /d:sonar.login="$SONAR_TOKEN" /d:sonar.cs.opencover.reportsPaths="*/opencover.xml"

	dotnet test -c Release /p:CollectCoverage=true /p:CoverletOutputFormat=opencover /p:ExcludeByFile="test/*/.cs"

	dotnet sonarscanner end /d:sonar.login="$SONAR_TOKEN"

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