Updated swagger docs to v3.1, and fixed some 'required' definitions

composer.json

@@ -63,7 +63,7 @@
         "symfony/string": "^6.2"
     },
     "require-dev": {
-        "cebe/php-openapi": "^1.7",
+        "devizzent/cebe-php-openapi": "dev-I-5_server_definition_fix as 1.1",
         "devster/ubench": "^2.1",
         "infection/infection": "^0.27",
         "openswoole/ide-helper": "~22.0.0",

docs/swagger/definitions/DeviceLongUrls.json

@@ -3,18 +3,15 @@
     "properties": {
         "android": {
             "description": "The long URL to redirect to when the short URL is visited from a device running Android",
-            "type": "string",
-            "nullable": false
+            "type": ["string"]
         },
         "ios": {
             "description": "The long URL to redirect to when the short URL is visited from a device running iOS",
-            "type": "string",
-            "nullable": false
+            "type": ["string"]
         },
         "desktop": {
             "description": "The long URL to redirect to when the short URL is visited from a desktop browser",
-            "type": "string",
-            "nullable": false
+            "type": ["string"]
         }
     }
 }

docs/swagger/definitions/DeviceLongUrlsEdit.json

@@ -5,13 +5,13 @@
     }],
     "properties": {
         "android": {
-            "nullable": true
+            "type": ["null"]
         },
         "ios": {
-            "nullable": true
+            "type": ["null"]
         },
         "desktop": {
-            "nullable": true
+            "type": ["null"]
         }
     }
 }

docs/swagger/swagger.json

@@ -1,5 +1,5 @@
 {
-    "openapi": "3.0.3",
+    "openapi": "3.1.0",
     "info": {
         "title": "Shlink",
         "description": "Shlink, the self-hosted URL shortener",