bumping js-slang (source-academy#2793)

* bumping js-slang

* Update test snapshots

* Update snapshots once again

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Co-authored-by: Richard Dominick <34370238+RichDom2185@users.noreply.github.com>
Co-authored-by: sayomaki <sayomayomaki@gmail.com>

Author: 3 people

package.json

@@ -48,7 +48,7 @@
     "flexboxgrid": "^6.3.1",
     "flexboxgrid-helpers": "^1.1.3",
     "hastscript": "^9.0.0",
-    "js-slang": "^1.0.39",
+    "js-slang": "^1.0.42",
     "js-yaml": "^4.1.0",
     "konva": "^9.2.0",
     "lodash": "^4.17.21",