Bump php-http/discovery from 1.13.0 to 1.14.0 in /server

Bumps [php-http/discovery](https://github.com/php-http/discovery) from 1.13.0 to 1.14.0.
- [Release notes](https://github.com/php-http/discovery/releases)
- [Changelog](https://github.com/php-http/discovery/blob/master/CHANGELOG.md)
- [Commits](https://github.com/php-http/discovery/compare/1.13.0...1.14.0)

---
updated-dependencies:
- dependency-name: php-http/discovery
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

server/composer.lock

@@ -1125,16 +1125,16 @@
         },
         {
             "name": "php-http/discovery",
-            "version": "1.13.0",
+            "version": "1.14.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/php-http/discovery.git",
-                "reference": "788f72d64c43dc361e7fcc7464c3d947c64984a7"
+                "reference": "778f722e29250c1fac0bbdef2c122fa5d038c9eb"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/php-http/discovery/zipball/788f72d64c43dc361e7fcc7464c3d947c64984a7",
-                "reference": "788f72d64c43dc361e7fcc7464c3d947c64984a7",
+                "url": "https://api.github.com/repos/php-http/discovery/zipball/778f722e29250c1fac0bbdef2c122fa5d038c9eb",
+                "reference": "778f722e29250c1fac0bbdef2c122fa5d038c9eb",
                 "shasum": ""
             },
             "require": {
@@ -1151,8 +1151,7 @@
                 "puli/composer-plugin": "1.0.0-beta10"
             },
             "suggest": {
-                "php-http/message": "Allow to use Guzzle, Diactoros or Slim Framework factories",
-                "puli/composer-plugin": "Sets up Puli which is recommended for Discovery to work. Check http://docs.php-http.org/en/latest/discovery.html for more details."
+                "php-http/message": "Allow to use Guzzle, Diactoros or Slim Framework factories"
             },
             "type": "library",
             "extra": {
@@ -1188,9 +1187,9 @@
             ],
             "support": {
                 "issues": "https://github.com/php-http/discovery/issues",
-                "source": "https://github.com/php-http/discovery/tree/1.13.0"
+                "source": "https://github.com/php-http/discovery/tree/1.14.0"
             },
-            "time": "2020-11-27T14:49:42+00:00"
+            "time": "2021-06-01T14:30:21+00:00"
         },
         {
             "name": "php-http/httplug",