Merge branch 'release/v9.0.0'

Author: valeros

.github/workflows/examples.yml

@@ -7,7 +7,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-16.04, windows-latest, macos-latest]
+        os: [ubuntu-18.04, windows-latest, macos-latest]
         python-version: [3.7]
         example:
           - "examples/mbed-rtos-blink-baremetal"

platform.json

@@ -18,7 +18,7 @@
     "type": "git",
     "url": "https://github.com/platformio/platform-nxplpc.git"
   },
-  "version": "8.2.0",
+  "version": "9.0.0",
   "frameworks": {
     "mbed": {
       "package": "framework-mbed",
@@ -51,13 +51,13 @@
       "type": "framework",
       "optional": true,
       "owner": "platformio",
-      "version": "~2.20600.0"
+      "version": "~2.20700.0"
     },
     "tool-openocd": {
       "type": "debugger",
       "optional": true,
       "owner": "platformio",
-      "version": "~2.1000.0"
+      "version": "~2.1100.0"
     },
     "tool-pyocd": {
       "type": "debugger",
@@ -74,7 +74,7 @@
     "tool-cmake": {
       "optional": true,
       "owner": "platformio",
-      "version": "~3.16.0"
+      "version": "~3.21.0"
     },
     "tool-dtc": {
       "optional": true,