Update AWS php sdk, wp-env dependencies

v0.5.2

tagging version to 0.5.2, updating wp-env

Bug fix: preserve URL parameters.

Login now preserves non sign-in URL parameters, which is required for navigation at some installation sites.

v0.5 alpha test

login with post, reset password functionality

v0.0.4 Login, authenticate, logout

Provide basic authentication backed by AWS Cognito.

Require authentication for all WordPress content following [sign_in_require_auth] shortcode.

Pages containing that shortcode can optionally have a [sign_in_logout] shortcode that places a button to reset the cookies used for authentication and refresh the page.