build(deps): Bump esptool from 5.1.0 to 5.2.0 in the build-system group (#419)

Bumps the build-system group with 1 update: [esptool](https://github.com/espressif/esptool).


Updates `esptool` from 5.1.0 to 5.2.0
- [Release notes](https://github.com/espressif/esptool/releases)
- [Changelog](https://github.com/espressif/esptool/blob/master/CHANGELOG.md)
- [Commits](espressif/esptool@v5.1.0...v5.2.0)

---
updated-dependencies:
- dependency-name: esptool
  dependency-version: 5.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: build-system
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -1,3 +1,3 @@
 platformio==6.1.19
-esptool==5.1.0
+esptool==5.2.0
 cryptography==46.0.5