CLDR-15067 Spanish digit rules for ordinals need the plural forms (#1720)

Author: grhoten

common/rbnf/es.xml

@@ -307,6 +307,14 @@ For terms of use, see http://www.unicode.org/copyright.html
                 <rbnfrule value="-x">−→→;</rbnfrule>
                 <rbnfrule value="0">=#,##0=.ª;</rbnfrule>
             </ruleset>
+            <ruleset type="digits-ordinal-masculine-plural">
+                <rbnfrule value="-x">−→→;</rbnfrule>
+                <rbnfrule value="0">=#,##0=.ᵒˢ;</rbnfrule>
+            </ruleset>
+            <ruleset type="digits-ordinal-feminine-plural">
+                <rbnfrule value="-x">−→→;</rbnfrule>
+                <rbnfrule value="0">=#,##0=.ᵃˢ;</rbnfrule>
+            </ruleset>
             <ruleset type="digits-ordinal">
                 <rbnfrule value="0">=%digits-ordinal-masculine=;</rbnfrule>
             </ruleset>

common/rbnf/es_419.xml

@@ -34,6 +34,14 @@ For terms of use, see http://www.unicode.org/copyright.html
                 <rbnfrule value="-x">−→→;</rbnfrule>
                 <rbnfrule value="0">=#,##0=ª.;</rbnfrule>
             </ruleset>
+            <ruleset type="digits-ordinal-masculine-plural">
+                <rbnfrule value="-x">−→→;</rbnfrule>
+                <rbnfrule value="0">=#,##0=ᵒˢ.;</rbnfrule>
+            </ruleset>
+            <ruleset type="digits-ordinal-feminine-plural">
+                <rbnfrule value="-x">−→→;</rbnfrule>
+                <rbnfrule value="0">=#,##0=ᵃˢ.;</rbnfrule>
+            </ruleset>
             <ruleset type="digits-ordinal">
                 <rbnfrule value="0">=%digits-ordinal-masculine=;</rbnfrule>
             </ruleset>