v0.9.0

What's Changed

• Improve commit messages by @martincostello in #187
• Use vars by @martincostello in #190
• Add PackageReadmeFile by @martincostello in #192
• Add security policy and contribution guide by @martincostello in #193
• Pin actions versions by @martincostello in #194
• Add CodeQL by @martincostello in #195
• Add OSSF scorecard by @martincostello in #196
• Add OpenSSF scorecard badge by @martincostello in #197
• Publish packages in their own jobs by @martincostello in #198
• Enable CI for dotnet-vnext by @martincostello in #207
• .NET 8 preparation by @martincostello in #215
• Use NuGet central package versions by @martincostello in #216
• Reduce schedule by @martincostello in #217
• Simplify condition by @martincostello in #240
• Actionlint and feedz.io by @martincostello in #245
• Fix NuGet publishing by @martincostello in #246
• Disable NuGet package updates by @martincostello in #254
• Refactor workflow by @martincostello in #264
• Use actionlint Docker image by @martincostello in #268
• Use SHA-256 for checksums by @martincostello in #270
• Create CODEOWNERS by @martincostello in #271
• Group xunit updates by @martincostello in #274
• Remove repo_token by @martincostello in #278
• Pin .NET SDK version by @martincostello in #279
• Support .NET 8.0 by @martincostello in #285

Full Changelog: v0.8.0...v0.9.0