Add back older 3.5.X versions for consistency

Author: hakman

Makefile

@@ -188,6 +188,11 @@ download-etcd-versions:
 	dev/download-etcd.sh 3.3.17
 	dev/download-etcd.sh 3.4.3
 	dev/download-etcd.sh 3.4.13
+	dev/download-etcd.sh 3.5.0
+	dev/download-etcd.sh 3.5.1
+	dev/download-etcd.sh 3.5.3
+	dev/download-etcd.sh 3.5.4
+	dev/download-etcd.sh 3.5.6
 	dev/download-etcd.sh 3.5.7
 
 .PHONY: test-short

pkg/etcdversions/mappings.go

@@ -35,6 +35,11 @@ const (
 	Version_3_3_17 = "3.3.17"
 	Version_3_4_3  = "3.4.3"
 	Version_3_4_13 = "3.4.13"
+	Version_3_5_0  = "3.5.0"
+	Version_3_5_1  = "3.5.1"
+	Version_3_5_3  = "3.5.3"
+	Version_3_5_4  = "3.5.4"
+	Version_3_5_6  = "3.5.6"
 	Version_3_5_7  = "3.5.7"
 )
 
@@ -47,6 +52,11 @@ var AllEtcdVersions = []string{
 	Version_3_3_17,
 	Version_3_4_3,
 	Version_3_4_13,
+	Version_3_5_0,
+	Version_3_5_1,
+	Version_3_5_3,
+	Version_3_5_4,
+	Version_3_5_6,
 	Version_3_5_7,
 }