Support WPA3-Personal

By not introducing a specific security setting for WPA3, we inherrit the
WPA2 key restrictions. For now, that is better than nothing.

src/lib/wpa

@@ -231,7 +231,8 @@ wpa_make_config_block() {
         fi
       ;;
       wpa)
-        echo "proto=RSN WPA"
+        echo "key_mgmt=WPA-PSK SAE"
+        echo "ieee80211w=1"
         if [[ "${#Key}" -eq 64 && $Key == +([[:xdigit:]]) ]]; then
             echo "psk=$Key"
         else

src/wifi-menu

@@ -90,7 +90,7 @@ init_entries() {
         else
             ENTRIES[i]=" "  # Not present
         fi
-        if [[ "$flags" =~ WPA2|WPA|WEP ]]; then
+        if [[ "$flags" =~ WPA3|WPA2|WPA|WEP ]]; then
             ENTRIES[i]+="${sep}${BASH_REMATCH[0],,}"
         else
             ENTRIES[i]+="${sep}none"
@@ -141,7 +141,7 @@ create_profile() {
     else
         security=none
     fi
-    if [[ "$flags" =~ PSK|WEP ]]; then
+    if [[ "$flags" =~ PSK|SAE|WEP ]]; then
         if is_yes "${OBSCURE:-no}"; then
             box="--insecure --passwordbox"
         else