kversion: leave group v3 was introduced in 2.4.0
This was in 2.3.0 along with the rest of but apparently, the
leave group part only got done in 2.4.0, as the KAFKA-#### ticket
mentions.
@@ -279,7 +279,6 @@ func V2_3_0() Versions {
v[15]++ // 3 describe groups KAFKA-7922 f11fa5ef40 KIP-430
v[11]++ // 5 join group KAFKA-7862 0f995ba6be KIP-345
- v[13]++ // 3 leave group KAFKA-8221 74c90f46c3 KIP-345
v[8]++ // 7 offset commit KAFKA-8225 9fa331b811 KIP-345
v[12]++ // 3 heartbeat (same)
v[14]++ // 3 sync group (same)
@@ -302,6 +301,8 @@ func V2_4_0() Versions {
0, // 47 offset delete KAFKA-8730 e24d0e22ab KIP-496
)
+ v[13]++ // 3 leave group KAFKA-8221 74c90f46c3 KIP-345
+
// introducing flexible versions; 24 were bumped
v[3]++ // 9 metadata KAFKA-8885 apache/kafka#7325 KIP-482
v[4]++ // 4 leader and isr (same)
