fix(ci): wrong path for pio build

Signed-off-by: Frederic Pillon <[email protected]>

Author: fpistm

Diff for: .github/workflows/PIO-build.yml

@@ -14,7 +14,7 @@ on:
       - '!CI/build/platformio-builder.py'
       - cmake/**
       - tools/**
-      - '!tools/platformio-build.py'
+      - '!tools/platformio/platformio-build.py'
   pull_request:
     paths-ignore:
       - .github/**