Bump php-date-formatter from 1.3.4 to 1.3.6 (proengsoft#467)

Bumps [php-date-formatter](https://github.com/kartik-v/php-date-formatter) from 1.3.4 to 1.3.6.
- [Release notes](https://github.com/kartik-v/php-date-formatter/releases)
- [Commits](kartik-v/php-date-formatter@v1.3.4...v1.3.6)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

package.json

@@ -19,7 +19,7 @@
   "dependencies": {
     "jquery-validation": "^1.19.2",
     "locutus": "^2.0.11",
-    "php-date-formatter": "^1.3.4"
+    "php-date-formatter": "^1.3.6"
   },
   "scripts": {
     "build": "gulp build"