Update TLSVersions.kt

Author: jakobkmar

simplekotlinmail-server/src/jvmMain/kotlin/net/axay/simplekotlinmail/server/tls/TLSVersions.kt

@@ -19,15 +19,17 @@ enum class TLSVersions(
         "TLSv1.3",
         listOf(
             "TLS_AES_256_GCM_SHA384",
-            "TLS_AES_128_GCM_SHA256"
+            "TLS_AES_128_GCM_SHA256",
+            "TLS_CHACHA20_POLY1305_SHA256"
         )
     ),
 
     TLS_1_2(
         "TLSv1.2",
         listOf(
             "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384",
-            "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"
+            "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256",
+            "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256"
         )
     ),