Use .NET 7.0 RC 1.

Author: bgrainger

azure-pipelines.yml

@@ -1,5 +1,5 @@
 variables:
-  DotNetCoreSdkVersion: '7.0.100-preview.6.22352.1'
+  DotNetCoreSdkVersion: '7.0.100-rc.1.22431.12'
   NUGET_PACKAGES: '$(Pipeline.Workspace)/.nuget/packages'
 
 jobs:

src/MySqlConnector/Core/NormalizedSchema.cs

@@ -10,7 +10,7 @@ internal sealed partial class NormalizedSchema
 	private const string ReName = $@"^\s*{ReEither}\s*(?:\.\s*{ReEither}\s*)?$";
 
 #if NET7_0_OR_GREATER
-	[RegexGenerator(ReName)]
+	[GeneratedRegex(ReName)]
 	private static partial Regex NameRegex();
 #else
 	private static Regex NameRegex() => s_nameRegex;

src/MySqlConnector/MySqlConnectionStringBuilder.cs

@@ -1235,7 +1235,7 @@ static MySqlConnectionStringOption()
 
 	private const string c_tlsVersionsRegexPattern = @"\s*TLS( ?v?(1|1\.?0|1\.?1|1\.?2|1\.?3))?$";
 #if NET7_0_OR_GREATER
-	[RegexGenerator(c_tlsVersionsRegexPattern, RegexOptions.IgnoreCase)]
+	[GeneratedRegex(c_tlsVersionsRegexPattern, RegexOptions.IgnoreCase)]
 	private static partial Regex TlsVersionsRegex();
 #else
 	private static Regex TlsVersionsRegex() => s_tlsVersionsRegex;