Fix/suppress Roslyn warnings about non-static methods.

Author: bgrainger

src/MySqlConnector/Core/ResultSet.cs

@@ -174,7 +174,7 @@ int ReadColumnCount(ReadOnlySpan<byte> span)
 			}
 		}
 
-		private bool IsHostVerified(MySqlConnection connection)
+		private static bool IsHostVerified(MySqlConnection connection)
 		{
 			return connection.SslMode == MySqlSslMode.VerifyCA
 				|| connection.SslMode == MySqlSslMode.VerifyFull;
@@ -348,7 +348,9 @@ public async Task<bool> ReadAsync(IOBehavior ioBehavior, CancellationToken cance
 			}
 		}
 
+#pragma warning disable CA1822 // Mark members as static
 		public int Depth => 0;
+#pragma warning restore CA1822 // Mark members as static
 
 		public string GetName(int ordinal)
 		{

src/MySqlConnector/MySqlBulkLoader.cs

@@ -284,7 +284,7 @@ private string CreateSql()
 			return sb.ToString();
 		}
 
-		private Stream CreateFileStream(string fileName)
+		private static Stream CreateFileStream(string fileName)
 		{
 			try
 			{

src/MySqlConnector/MySqlConnection.cs

@@ -614,8 +614,10 @@ public override Task<DataTable> GetSchemaAsync(string collectionName, string?[]
 		/// </summary>
 		/// <returns></returns>
 		public MySqlBatchCommand CreateBatchCommand() => CreateDbBatchCommand();
+#pragma warning disable CA1822 // Mark members as static
 		private MySqlBatchCommand CreateDbBatchCommand() => new();
 		public bool CanCreateBatch => true;
+#pragma warning restore CA1822 // Mark members as static
 
 		protected override void Dispose(bool disposing)
 		{

src/MySqlConnector/MySqlConnectorFactory.cs

@@ -63,6 +63,7 @@ public sealed class MySqlConnectorFactory : DbProviderFactory
 #endif
 #endif
 
+#pragma warning disable CA1822 // Mark members as static
 		/// <summary>
 		/// Creates a new <see cref="MySqlBatch"/> object.
 		/// </summary>
@@ -77,6 +78,7 @@ public sealed class MySqlConnectorFactory : DbProviderFactory
 		/// Returns <c>true</c>.
 		/// </summary>
 		public bool CanCreateBatch => true;
+#pragma warning restore CA1822 // Mark members as static
 
 		private MySqlConnectorFactory()
 		{

src/MySqlConnector/Protocol/Serialization/CompressedPayloadHandler.cs

@@ -225,7 +225,7 @@ private ValueTask<int> CompressAndWrite(ArraySegment<byte> remainingUncompressed
 					CompressAndWrite(remainingUncompressedData, ioBehavior));
 		}
 
-		private uint ComputeAdler32Checksum(byte[] data, int offset, int length)
+		private static uint ComputeAdler32Checksum(byte[] data, int offset, int length)
 		{
 			int s1 = 1, s2 = 0;
 			for (var i = 0; i < length; i++)