feat: upgrade to jsii 0.20.7 (#5103)

* feat: upgrade to jsii 0.20.7

Bug Fixes
- java: handle null-able collections correctly (#986) (e88e5e2), closes aws/aws-cdk#4316
- jsii: unable to depend on modules with private declarations (#995) (08c4294), closes #994
- kernel: cannot pass decorated structs to kernel as "any" (#997) (2bd3183), closes aws/aws-cdk#5066

Features
- jsii-config: introducing jsii-config (#981) (2bbf576), closes #904
- rosetta: extract and compile samples into "tablets" (#925) (eec44e1)

* fix broken code

* type a couple of more arrays

* fix another untyped array

* fix a couple more issues

* another untyped array

* more

packages/decdk/package.json

@@ -154,7 +154,7 @@
     "@aws-cdk/cx-api": "1.16.1",
     "@aws-cdk/region-info": "1.16.1",
     "fs-extra": "^8.1.0",
-    "jsii-reflect": "^0.20.3",
+    "jsii-reflect": "0.20.7",
     "jsonschema": "^1.2.4",
     "yaml": "1.7.2",
     "yargs": "^15.0.1"
@@ -165,7 +165,7 @@
     "@types/yaml": "1.2.0",
     "@types/yargs": "^13.0.3",
     "jest": "^24.9.0",
-    "jsii": "^0.20.6"
+    "jsii": "0.20.7"
   },
   "keywords": [
     "aws",
@@ -175,4 +175,4 @@
   "engines": {
     "node": ">= 8.10.0"
   }
-}
+}