tighten up regexes for path items

https://spec.openapis.org/oas/v3.1.0#pathTemplating
"The value for these path parameters MUST NOT contain any unescaped “generic syntax” characters described by [[!RFC3986]]: forward slashes (/), question marks (?), or hashes (#)."

Author: karenetheridge

schemas/v3.1/schema.json

@@ -277,7 +277,7 @@
     "paths": {
       "type": "object",
       "patternProperties": {
-        "^/": {
+        "^/[^#?]*$": {
           "$ref": "#/$defs/path-item"
         }
       },
@@ -502,6 +502,9 @@
               },
               "then": {
                 "properties": {
+                  "name": {
+                    "pattern": "[^/#?]+$"
+                  },
                   "style": {
                     "default": "simple",
                     "enum": [

schemas/v3.1/schema.yaml

@@ -191,7 +191,7 @@ $defs:
   paths:
     type: object
     patternProperties:
-      '^/':
+      '^/[^#?]*$':
         $ref: '#/$defs/path-item'
     $ref: '#/$defs/specification-extensions'
     unevaluatedProperties: false
@@ -341,6 +341,8 @@ $defs:
                 - in
             then:
               properties:
+                name:
+                  pattern: '[^/#?]+$'
                 style:
                   default: simple
                   enum: