Bump platformio from 6.1.5 to 6.1.7

Bumps [platformio](https://github.com/platformio/platformio) from 6.1.5 to 6.1.7.
- [Release notes](https://github.com/platformio/platformio/releases)
- [Changelog](https://github.com/platformio/platformio-core/blob/develop/HISTORY.rst)
- [Commits](platformio/platformio-core@v6.1.5...v6.1.7)

---
updated-dependencies:
- dependency-name: platformio
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -6,7 +6,7 @@ tornado==6.3.1
 tzlocal==5.0.1    # from time
 tzdata>=2021.1  # from time
 pyserial==3.5
-platformio==6.1.6  # When updating platformio, also update Dockerfile
+platformio==6.1.7  # When updating platformio, also update Dockerfile
 esptool==4.5.1
 click==8.1.3
 esphome-dashboard==20230516.0