Update support node version

Author: winky

CONTRIBUTING.md

@@ -94,7 +94,7 @@
     "constructs": "^3.0.2"
   },
   "engines": {
-    "node": ">= 10.12.0"
+    "node": ">= 10.13.0"
   },
   "stability": "experimental",
   "maturity": "experimental",

README.md

@@ -90,7 +90,7 @@
     "constructs": "^3.0.2"
   },
   "engines": {
-    "node": ">= 10.12.0"
+    "node": ">= 10.13.0"
   },
   "stability": "experimental",
   "maturity": "experimental",

packages/@aws-cdk/alexa-ask/package.json

@@ -58,7 +58,7 @@
   ],
   "homepage": "https://github.com/aws/aws-cdk",
   "engines": {
-    "node": ">= 10.12.0"
+    "node": ">= 10.13.0"
   },
   "stability": "experimental",
   "maturity": "experimental"

packages/@aws-cdk/app-delivery/package.json

@@ -88,7 +88,7 @@
     "constructs": "^3.0.2"
   },
   "engines": {
-    "node": ">= 10.12.0"
+    "node": ">= 10.13.0"
   },
   "bundledDependencies": [
     "minimatch"

packages/@aws-cdk/assert/package.json

@@ -95,7 +95,7 @@
     "constructs": "^3.0.2"
   },
   "engines": {
-    "node": ">= 10.12.0"
+    "node": ">= 10.13.0"
   },
   "stability": "experimental",
   "maturity": "cfn-only",

packages/@aws-cdk/assets/package.json

@@ -95,7 +95,7 @@
     "constructs": "^3.0.2"
   },
   "engines": {
-    "node": ">= 10.12.0"
+    "node": ">= 10.13.0"
   },
   "stability": "experimental",
   "maturity": "cfn-only",

packages/@aws-cdk/aws-accessanalyzer/package.json

@@ -94,7 +94,7 @@
     "constructs": "^3.0.2"
   },
   "engines": {
-    "node": ">= 10.12.0"
+    "node": ">= 10.13.0"
   },
   "stability": "experimental",
   "maturity": "cfn-only",

packages/@aws-cdk/aws-acmpca/package.json

@@ -106,7 +106,7 @@
     "constructs": "^3.0.2"
   },
   "engines": {
-    "node": ">= 10.12.0"
+    "node": ">= 10.13.0"
   },
   "stability": "experimental",
   "maturity": "experimental",