chore(deps): bump jsii from 0.20.3 to 0.20.5

Bumps [jsii](https://github.com/aws/jsii/tree/HEAD/packages/jsii) from 0.20.3 to 0.20.5.
- [Release notes](https://github.com/aws/jsii/releases)
- [Changelog](https://github.com/aws/jsii/blob/master/packages/jsii/CHANGELOG.md)
- [Commits](https://github.com/aws/jsii/commits/v0.20.5/packages/jsii)

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

packages/decdk/package.json

@@ -163,7 +163,7 @@
     "@types/yaml": "1.2.0",
     "@types/yargs": "^13.0.3",
     "jest": "^24.9.0",
-    "jsii": "^0.20.3"
+    "jsii": "^0.20.5"
   },
   "keywords": [
     "aws",

tools/cdk-build-tools/package.json

@@ -41,7 +41,7 @@
     "colors": "^1.4.0",
     "fs-extra": "^8.1.0",
     "jest": "^24.9.0",
-    "jsii": "^0.20.3",
+    "jsii": "^0.20.5",
     "jsii-pacmak": "^0.20.3",
     "nodeunit": "^0.11.3",
     "nyc": "^14.1.1",