bigint impl for title children

Author: Sebastian Silbermann

packages/react-dom-bindings/src/server/ReactFizzConfigDOM.js

@@ -2960,7 +2960,7 @@ function pushTitle(
 
       if (Array.isArray(children) && children.length > 1) {
         console.error(
-          'React expects the `children` prop of <title> tags to be a string, number, or object with a novel `toString` method but found an Array with length %s instead.' +
+          'React expects the `children` prop of <title> tags to be a string, number, bigint, or object with a novel `toString` method but found an Array with length %s instead.' +
             ' Browsers treat all child Nodes of <title> tags as Text content and React expects to be able to convert `children` of <title> tags to a single string value' +
             ' which is why Arrays of length greater than 1 are not supported. When using JSX it can be commong to combine text nodes and value nodes.' +
             ' For example: <title>hello {nameOfUser}</title>. While not immediately apparent, `children` in this case is an Array with length 2. If your `children` prop' +
@@ -2971,22 +2971,22 @@ function pushTitle(
         const childType =
           typeof child === 'function' ? 'a Function' : 'a Sybmol';
         console.error(
-          'React expect children of <title> tags to be a string, number, or object with a novel `toString` method but found %s instead.' +
+          'React expect children of <title> tags to be a string, number, bigint, or object with a novel `toString` method but found %s instead.' +
             ' Browsers treat all child Nodes of <title> tags as Text content and React expects to be able to convert children of <title>' +
             ' tags to a single string value.',
           childType,
         );
       } else if (child && child.toString === {}.toString) {
         if (child.$$typeof != null) {
           console.error(
-            'React expects the `children` prop of <title> tags to be a string, number, or object with a novel `toString` method but found an object that appears to be' +
+            'React expects the `children` prop of <title> tags to be a string, number, bigint, or object with a novel `toString` method but found an object that appears to be' +
               ' a React element which never implements a suitable `toString` method. Browsers treat all child Nodes of <title> tags as Text content and React expects to' +
               ' be able to convert children of <title> tags to a single string value which is why rendering React elements is not supported. If the `children` of <title> is' +
               ' a React Component try moving the <title> tag into that component. If the `children` of <title> is some HTML markup change it to be Text only to be valid HTML.',
           );
         } else {
           console.error(
-            'React expects the `children` prop of <title> tags to be a string, number, or object with a novel `toString` method but found an object that does not implement' +
+            'React expects the `children` prop of <title> tags to be a string, number, bigint, or object with a novel `toString` method but found an object that does not implement' +
               ' a suitable `toString` method. Browsers treat all child Nodes of <title> tags as Text content and React expects to be able to convert children of <title> tags' +
               ' to a single string value. Using the default `toString` method available on every object is almost certainly an error. Consider whether the `children` of this <title>' +
               ' is an object in error and change it to a string or number value if so. Otherwise implement a `toString` method that React can use to produce a valid <title>.',
@@ -3123,10 +3123,11 @@ function pushStartTitle(
     } else if (
       childForValidation != null &&
       typeof childForValidation !== 'string' &&
-      typeof childForValidation !== 'number'
+      typeof childForValidation !== 'number' &&
+      typeof childForValidation !== 'bigint'
     ) {
       console.error(
-        'A title element received a value that was not a string or number for children. ' +
+        'A title element received a value that was not a string or number or bigint for children. ' +
           'In the browser title Elements can only have Text Nodes as children. If ' +
           'the children being rendered output more than a single text node in aggregate the browser ' +
           'will display markup and comments as text in the title and hydration will likely fail and ' +