Bump js-slang from 0.5.21 to 0.5.22 (#714)

Bumps [js-slang](https://github.com/source-academy/js-slang) from 0.5.21 to 0.5.22.
- [Release notes](https://github.com/source-academy/js-slang/releases)
- [Commits](https://github.com/source-academy/js-slang/commits)

---
updated-dependencies:
- dependency-name: js-slang
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -30,7 +30,7 @@
     "@babel/preset-env": "^7.15.8",
     "fs-extra": "^10.0.0",
     "http-server": "^14.0.0",
-    "js-slang": "^0.5.21",
+    "js-slang": "^0.5.22",
     "husky": "^7.0.4",
     "lz-string": "^1.4.4",
     "xmldom": "^0.6.0",

yarn.lock

@@ -1877,10 +1877,10 @@ isstream@~0.1.2:
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
   integrity sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=
 
-js-slang@^0.5.21:
-  version "0.5.21"
-  resolved "https://registry.yarnpkg.com/js-slang/-/js-slang-0.5.21.tgz#bef8655e519d4b6905171a92f4f6b8a6156eb376"
-  integrity sha512-pvaLsnd6FsevxGx5I602iHcvBj2Xyg/jlV2M11zQl0Y9MVrOBtI/eMM+WF0j9VXnncMBQNFBW9ai7ray5+oU+A==
+js-slang@^0.5.22:
+  version "0.5.22"
+  resolved "https://registry.yarnpkg.com/js-slang/-/js-slang-0.5.22.tgz#2649271f6e6494c6b8fa1bb3567bffcea9f4b9e7"
+  integrity sha512-9iXrmcs/56/kdWBUzpsIdIBd4PE1FYIB0l+T9rkutRhI2QNL+bbQD6dQy/v7WtZgNzB7lUQsviGjjPaKSlL12w==
   dependencies:
     "@joeychenofficial/alt-ergo-modified" "^2.4.0"
     "@types/estree" "0.0.50"