[Composer] Update dependencies ahead of release

[Composer] Update dependencies ahead of release

  - Updating ezyang/htmlpurifier (v4.7.0 => v4.12.0)
  - Updating level-2/dice (4.0.1 => 4.0.2)
  - Updating michelf/php-markdown (1.8.0 => 1.9.0)
  - Updating psr/log (1.1.0 => 1.1.3)
  - Updating monolog/monolog (1.25.1 => 1.25.4)
  - Updating pear/text_languagedetect (v1.0.0 => v1.0.1)
  - Updating smarty/smarty (v3.1.33 => v3.1.36)
  - Updating bower-asset/base64 (1.0.2 => 1.1.0)
  - Updating bower-asset/chart-js (v2.8.0 => v2.9.3)
  - Updating bower-asset/vue (v2.6.10 => v2.6.11)
  - Updating npm-asset/fullcalendar (3.10.1 => 3.10.2)
  - Updating npm-asset/moment (2.24.0 => 2.26.0)
  - Updating paragonie/sodium_compat (v1.11.1 => v1.13.0)
  - Updating paragonie/constant_time_encoding (v2.2.3 => v2.3.0)
  - Installing symfony/polyfill-php72 (v1.17.0)
  - Installing symfony/polyfill-mbstring (v1.17.0)
  - Installing symfony/polyfill-intl-idn (v1.17.0)
  - Updating guzzlehttp/guzzle (6.3.3 => 6.5.5)
  - Updating paragonie/certainty (v2.5.0 => v2.6.1)
  - Updating npm-asset/php-date-formatter (v1.3.5 => v1.3.6)
  - Updating symfony/polyfill-util (v1.12.0 => v1.17.0)
  - Updating symfony/polyfill-php56 (v1.12.0 => v1.17.0)