Bump default wire protocol version: 7 -> 8

core/src/main/java/de/bwaldvogel/mongo/ServerVersion.java

@@ -5,7 +5,8 @@
 
 public enum ServerVersion implements MongoVersion {
     MONGO_3_6(List.of(3, 6, 0), 6),
-    MONGO_4_0(List.of(4, 0, 0), 7);
+    MONGO_4_0(List.of(4, 0, 0), 7),
+    MONGO_5_0(List.of(5, 0, 0), 8);
 
     private final List<Integer> versionArray;
     private final int wireVersion;

core/src/main/java/de/bwaldvogel/mongo/backend/AbstractMongoBackend.java

@@ -50,7 +50,7 @@ public abstract class AbstractMongoBackend implements MongoBackend {
 
     private final Map<String, MongoDatabase> databases = new ConcurrentHashMap<>();
 
-    private MongoVersion version = ServerVersion.MONGO_4_0;
+    private MongoVersion version = ServerVersion.MONGO_5_0;
 
     private final Clock clock;
     private final Instant started;

core/src/test/java/de/bwaldvogel/mongo/ServerVersionTest.java

@@ -10,6 +10,7 @@ class ServerVersionTest {
     void testToVersionString() throws Exception {
         assertThat(ServerVersion.MONGO_3_6.toVersionString()).isEqualTo("3.6.0");
         assertThat(ServerVersion.MONGO_4_0.toVersionString()).isEqualTo("4.0.0");
+        assertThat(ServerVersion.MONGO_5_0.toVersionString()).isEqualTo("5.0.0");
     }
 
 }