update test file paths for windows

Author: THardy98

tests/Temporalio.Tests/Client/EnvConfig/ClientConfigTests.cs

@@ -487,9 +487,9 @@ public void Test_Load_Profile_Tls_From_Paths()
 address = ""localhost:5678""
 [profile.default.tls]
 server_name = ""custom-server""
-server_ca_cert_path = ""{caPath}""
-client_cert_path = ""{certPath}""
-client_key_path = ""{keyPath}""
+server_ca_cert_path = ""{caPath.Replace('\\', '/')}""
+client_cert_path = ""{certPath.Replace('\\', '/')}""
+client_key_path = ""{keyPath.Replace('\\', '/')}""
 ";
                 var source = DataSource.FromUTF8String(toml);
                 var profile = ClientEnvConfig.Profile.Load(new ClientEnvConfig.ProfileLoadOptions