Schema and test coverage of openapi: X.Y

Also remove what looked to be a part of the regex allowing for
"-rcN" suffixes, which are not mentioned in the field definition
at all.

Author: handrews

src/schemas/validation/schema.yaml

@@ -7,7 +7,7 @@ type: object
 properties:
   openapi:
     type: string
-    pattern: '^3\.2\.\d+(-.+)?$'
+    pattern: '^3\.2(\.\d+)?$'
   $self:
     type: string
     format: uri-reference

tests/schema/pass/info-object-example.yaml

@@ -1,5 +1,5 @@
 # including External Documentation Object Example
-openapi: 3.2.0
+openapi: "3.2"
 $self: https://example.com/openapi
 info:
   title: Example Pet Store App

tests/schema/pass/mega.yaml

@@ -1,4 +1,4 @@
-openapi: 3.2.0
+openapi: "3.2"
 info:
   summary: My API's summary
   title: My API

tests/schema/pass/minimal_comp.yaml

@@ -1,4 +1,4 @@
-openapi: 3.2.0
+openapi: "3.2"
 info:
   title: API
   version: 1.0.0

tests/schema/pass/minimal_hooks.yaml

@@ -1,4 +1,4 @@
-openapi: 3.2.0
+openapi: "3.2"
 info:
   title: API
   version: 1.0.0

tests/schema/pass/minimal_paths.yaml

@@ -1,4 +1,4 @@
-openapi: 3.2.0
+openapi: "3.2"
 info:
   title: API
   version: 1.0.0