8.0.0-alpha.3

What's Changed

• Update README.md with v8 Alpha v2 release announcement by @joelhulen in #1337
• Adopt Alpha 2 in samples by @martintmk in #1338
• Add net6.0 and net7.0 to Polly by @martincostello in #1336
• Sync TimeProvider and cleanup by @martintmk in #1339
• Fix hedging being cancelled too early by @martintmk in #1340
• Fix logging of execution attempt by @martintmk in #1341
• Bump github/codeql-action from 2.20.0 to 2.20.1 by @dependabot in #1344
• Bump martincostello/update-dotnet-sdk from 2.2.2 to 2.2.3 by @dependabot in #1345
• Bump StyleCop.Analyzers from 1.2.0-beta.435 to 1.2.0-beta.507 by @dependabot in #1342
• Bump SonarAnalyzer.CSharp from 9.3.0.71466 to 9.4.0.72892 by @dependabot in #1343
• Expose Randomizer property and use it in retry strategy by @martintmk in #1346
• Update changelog by @martintmk in #1347

Full Changelog: 8.0.0-alpha.2...8.0.0-alpha.3