build: update typescript test version

Author: skarab42

.github/workflows/CI.yaml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         node: ["14"]
-        typescript: ["4.4"]
+        typescript: ["4.6.3"]
     name: Test with TypeScript ${{ matrix.typescript }} on Node ${{ matrix.node }}
     steps:
       - uses: actions/checkout@v3