[base-alpine] - Alpine invalid tag alpinelatest removal (#1870)

* Remove `alpinelatest` tag for the base-alpine dev container image

* Removing latest tag

Author: Kaniska244

src/base-alpine/manifest.json

@@ -1,7 +1,6 @@
 {
-	"version": "3.0.5",
+	"version": "3.0.6",
 	"variants": [
-		"latest",
 		"3.23",
 		"3.22",
 		"3.21",