build(deps-dev): bump typescript from 4.0.5 to 4.1.2

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 4.0.5 to 4.1.2.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v4.0.5...v4.1.2)

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

package.json

@@ -95,6 +95,6 @@
     "sinon": "^9.2.1",
     "source-map-support": "^0.5.19",
     "ts-node": "^9.0.0",
-    "typescript": "^4.0.5"
+    "typescript": "^4.1.2"
   }
 }

yarn.lock

@@ -3958,10 +3958,10 @@ typedarray-to-buffer@^3.1.5:
   dependencies:
     is-typedarray "^1.0.0"
 
-typescript@^4.0.5:
-  version "4.0.5"
-  resolved "https://registry.npmjs.org/typescript/-/typescript-4.0.5.tgz#ae9dddfd1069f1cb5beb3ef3b2170dd7c1332389"
-  integrity sha512-ywmr/VrTVCmNTJ6iV2LwIrfG1P+lv6luD8sUJs+2eI9NLGigaN+nUQc13iHqisq7bra9lnmUSYqbJvegraBOPQ==
+typescript@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.npmjs.org/typescript/-/typescript-4.1.2.tgz#6369ef22516fe5e10304aae5a5c4862db55380e9"
+  integrity sha512-thGloWsGH3SOxv1SoY7QojKi0tc+8FnOmiarEGMbd/lar7QOEd3hvlx3Fp5y6FlDUGl9L+pd4n2e+oToGMmhRQ==
 
 unique-string@^2.0.0:
   version "2.0.0"