Fix code snippet in documentation (#6411)

Author: stevejgordon

docs/client-concepts/connection/connecting-to-elasticsearch-v8.asciidoc

@@ -41,7 +41,7 @@ The fingerprint can be set by calling the `CertificateFingerprint` method on a `
 
 [source,csharp]
 ----
-var pool = new SingleNodeConnectionPool(new Uri("http://localhost:9200"));
+var pool = new SingleNodeConnectionPool(new Uri("https://localhost:9200"));
 
 var settings = new ConnectionSettings(pool)
     .CertificateFingerprint("94:75:CE:4F:EB:05:32:83:40:B8:18:BB:79:01:7B:E0:F0:B6:C3:01:57:DB:4D:F5:D8:B8:A6:BA:BD:6D:C5:C4");
@@ -60,7 +60,7 @@ you may begin by using the `elastic` user and the automatically generated passwo
 
 [source,csharp]
 ----
-var pool = new SingleNodeConnectionPool(new Uri("http://localhost:9200"));
+var pool = new SingleNodeConnectionPool(new Uri("https://localhost:9200"));
 
 var settings = new ConnectionSettings(pool)
     .CertificateFingerprint("94:75:CE:4F:EB:05:32:83:40:B8:18:BB:79:01:7B:E0:F0:B6:C3:01:57:DB:4D:F5:D8:B8:A6:BA:BD:6D:C5:C4")
@@ -83,7 +83,7 @@ Compatibility mode may also be enabled directly on `ConnectionSettings` by calli
 
 [source,csharp]
 ----
-var pool = new SingleNodeConnectionPool(new Uri("http://localhost:9200"));
+var pool = new SingleNodeConnectionPool(new Uri("https://localhost:9200"));
 
 var settings = new ConnectionSettings(pool)
     .CertificateFingerprint("94:75:CE:4F:EB:05:32:83:40:B8:18:BB:79:01:7B:E0:F0:B6:C3:01:57:DB:4D:F5:D8:B8:A6:BA:BD:6D:C5:C4")

tests/Tests/ClientConcepts/Certificates/WorkingWithCertificates.doc.cs

@@ -226,7 +226,7 @@ public PkiApiTests(PkiCluster cluster, EndpointUsage usage) : base(cluster, usag
 		 */		
 		[U] public void CertificateFingerprint()
 		{
-			var pool = new SingleNodeConnectionPool(new Uri("http://localhost:9200"));
+			var pool = new SingleNodeConnectionPool(new Uri("https://localhost:9200"));
 
 			var settings = new ConnectionSettings(pool)
 				.CertificateFingerprint("94:75:CE:4F:EB:05:32:83:40:B8:18:BB:79:01:7B:E0:F0:B6:C3:01:57:DB:4D:F5:D8:B8:A6:BA:BD:6D:C5:C4");

tests/Tests/ClientConcepts/Connection/ConnectingToElasticsearchV8.doc.cs

@@ -38,7 +38,7 @@ public class ConnectingToElasticsearchV8
 		 */
 		[U] public void CertificateFingerprint()
 		{
-			var pool = new SingleNodeConnectionPool(new Uri("http://localhost:9200"));
+			var pool = new SingleNodeConnectionPool(new Uri("https://localhost:9200"));
 
 			var settings = new ConnectionSettings(pool)
 				.CertificateFingerprint("94:75:CE:4F:EB:05:32:83:40:B8:18:BB:79:01:7B:E0:F0:B6:C3:01:57:DB:4D:F5:D8:B8:A6:BA:BD:6D:C5:C4");
@@ -58,7 +58,7 @@ [U] public void CertificateFingerprint()
 		 */
 		[U] public void BasicAuth()
 		{
-			var pool = new SingleNodeConnectionPool(new Uri("http://localhost:9200"));
+			var pool = new SingleNodeConnectionPool(new Uri("https://localhost:9200"));
 
 			var settings = new ConnectionSettings(pool)
 				.CertificateFingerprint("94:75:CE:4F:EB:05:32:83:40:B8:18:BB:79:01:7B:E0:F0:B6:C3:01:57:DB:4D:F5:D8:B8:A6:BA:BD:6D:C5:C4")
@@ -82,7 +82,7 @@ [U] public void BasicAuth()
 		 */
 		[U] public void CompatibilityMode()
 		{
-			var pool = new SingleNodeConnectionPool(new Uri("http://localhost:9200"));
+			var pool = new SingleNodeConnectionPool(new Uri("https://localhost:9200"));
 
 			var settings = new ConnectionSettings(pool)
 				.CertificateFingerprint("94:75:CE:4F:EB:05:32:83:40:B8:18:BB:79:01:7B:E0:F0:B6:C3:01:57:DB:4D:F5:D8:B8:A6:BA:BD:6D:C5:C4")