ci: bump EnviroDIY/setup-platformio-action from 1.0.2 to 1.0.3

Bumps [EnviroDIY/setup-platformio-action](https://github.com/envirodiy/setup-platformio-action) from 1.0.2 to 1.0.3.
- [Release notes](https://github.com/envirodiy/setup-platformio-action/releases)
- [Commits](EnviroDIY/setup-platformio-action@v1.0.2...v1.0.3)

---
updated-dependencies:
- dependency-name: EnviroDIY/setup-platformio-action
  dependency-version: 1.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/build_examples.yaml

@@ -30,7 +30,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup PlatformIO
-        uses: EnviroDIY/setup-platformio-action@v1.0.2
+        uses: EnviroDIY/setup-platformio-action@v1.0.3
 
       - name: Build PlatformIO examples
         env: