Build: Test on jQuery 4.0.0-rc.1

When a stable 4.0.0 gets released, we'll remove the RC in favor of it.

Closes gh-2363

Author: mgol

Gruntfile.js

@@ -316,13 +316,20 @@ grunt.initConfig( {
 				"jquery-3.7.1/jquery.js": "jquery-3.7.1/dist/jquery.js",
 				"jquery-3.7.1/LICENSE.txt": "jquery-3.7.1/LICENSE.txt",
 
+				"jquery-4.0.0-rc.1/jquery.js": "jquery-4.0.0-rc.1/dist/jquery.js",
+				"jquery-4.0.0-rc.1/LICENSE.txt": "jquery-4.0.0-rc.1/LICENSE.txt",
+
 				"jquery-migrate-1.x/jquery-migrate.js":
 					"jquery-migrate-1.x/dist/jquery-migrate.js",
 				"jquery-migrate-1.x/LICENSE.txt": "jquery-migrate-1.x/LICENSE.txt",
 
 				"jquery-migrate-3.x/jquery-migrate.js":
 					"jquery-migrate-3.x/dist/jquery-migrate.js",
-				"jquery-migrate-3.x/LICENSE.txt": "jquery-migrate-3.x/LICENSE.txt"
+				"jquery-migrate-3.x/LICENSE.txt": "jquery-migrate-3.x/LICENSE.txt",
+
+				"jquery-migrate-4.x/jquery-migrate.js":
+					"jquery-migrate-4.x/dist/jquery-migrate.js",
+				"jquery-migrate-4.x/LICENSE.txt": "jquery-migrate-4.x/LICENSE.txt"
 			}
 		}
 	},

bower.json

@@ -38,7 +38,9 @@
 		"jquery-3.6.4": "jquery#3.6.4",
 		"jquery-3.7.0": "jquery#3.7.0",
 		"jquery-3.7.1": "jquery#3.7.1",
+		"jquery-4.0.0-rc.1": "jquery#4.0.0-rc.1",
 		"jquery-migrate-1.x": "https://registry.npmjs.org/jquery-migrate/-/jquery-migrate-1.4.1.tgz",
-		"jquery-migrate-3.x": "https://registry.npmjs.org/jquery-migrate/-/jquery-migrate-3.5.2.tgz"
+		"jquery-migrate-3.x": "https://registry.npmjs.org/jquery-migrate/-/jquery-migrate-3.5.2.tgz",
+		"jquery-migrate-4.x": "https://registry.npmjs.org/jquery-migrate/-/jquery-migrate-4.0.0-beta.1.tgz"
 	}
 }

external/jquery-4.0.0-rc.1/LICENSE.txt

@@ -0,0 +1,20 @@
+Copyright OpenJS Foundation and other contributors, https://openjsf.org/
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.