Update version number in readme and src

Author: josephfrazier

README.md

@@ -119,7 +119,7 @@ XRegExp('^\\pS$').test('💩'); // -> true
 
 Opting in to astral mode disables the use of `\p{…}` and `\P{…}` within character classes. In astral mode, use e.g. `(\pL|[0-9_])+` instead of `[\pL0-9_]+`.
 
-XRegExp uses Unicode 11.0.0.
+XRegExp uses Unicode 12.1.0.
 
 ### XRegExp.build
 

src/addons/unicode-blocks.js

@@ -14,7 +14,7 @@ export default (XRegExp) => {
      * `\p{InBasicLatin}`. Token names are case insensitive, and any spaces, hyphens, and
      * underscores are ignored.
      *
-     * Uses Unicode 11.0.0.
+     * Uses Unicode 12.1.0.
      *
      * @requires XRegExp, Unicode Base
      */

src/addons/unicode-categories.js

@@ -14,7 +14,7 @@ export default (XRegExp) => {
      * category descriptions in UAX #44 <http://unicode.org/reports/tr44/#GC_Values_Table>. Token
      * names are case insensitive, and any spaces, hyphens, and underscores are ignored.
      *
-     * Uses Unicode 11.0.0.
+     * Uses Unicode 12.1.0.
      *
      * @requires XRegExp, Unicode Base
      */

src/addons/unicode-properties.js

@@ -43,7 +43,7 @@ export default (XRegExp) => {
      *
      * Token names are case insensitive, and any spaces, hyphens, and underscores are ignored.
      *
-     * Uses Unicode 11.0.0.
+     * Uses Unicode 12.1.0.
      *
      * @requires XRegExp, Unicode Base
      */

src/addons/unicode-scripts.js

@@ -13,7 +13,7 @@ export default (XRegExp) => {
      * Adds support for all Unicode scripts. E.g., `\p{Latin}`. Token names are case insensitive,
      * and any spaces, hyphens, and underscores are ignored.
      *
-     * Uses Unicode 11.0.0.
+     * Uses Unicode 12.1.0.
      *
      * @requires XRegExp, Unicode Base
      */