chore(updater): move updater packages to pkg/updaters/<name>

pkg/updaters/resolver/ips.go

@@ -0,0 +1,20 @@
+package resolver
+
+import (
+	"net/netip"
+)
+
+func uniqueIPsToSlice(uniqueIPs map[string]struct{}) (ips []netip.Addr) {
+	ips = make([]netip.Addr, 0, len(uniqueIPs))
+	for key := range uniqueIPs {
+		ip, err := netip.ParseAddr(key)
+		if err != nil {
+			panic(err)
+		}
+		if ip.Is4In6() {
+			ip = netip.AddrFrom4(ip.As4())
+		}
+		ips = append(ips, ip)
+	}
+	return ips
+}