Update mathematicator-core/engine requirement from ^2.0 to ^2.0 || ^3.0 (#5)

Updates the requirements on mathematicator-core/engine to permit the latest version.

Signed-off-by: dependabot-preview[bot] <[email protected]>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

composer.json

@@ -19,7 +19,7 @@
 	"require": {
 		"php": "^8.0",
 		"mathematicator-core/tokenizer": "^2.1",
-		"mathematicator-core/engine": "^2.0",
+		"mathematicator-core/engine": "^2.0 || ^3.0",
 		"mathematicator-core/numbers": "^2.1"
 	},
 	"require-dev": {