Fix this error when used as component: CMake Error at build/esp-idf/espressif__esp_rainmaker (MEGH-6449)

[qt1]

The error:

CMake Error at build/esp-idf/espressif__esp_rainmaker/CMakeFiles/git-data/grabRef.cmake:48 (file):
file failed to open for reading (No such file or directory):

/home/baruch/esp5/hello/5.3/h0/build/esp-idf/espressif__esp_rainmaker/CMakeFiles/git-data/head-ref

Call Stack (most recent call first):
/home/baruch/esp5/esp-idf-v5.3/tools/cmake/third_party/GetGitRevisionDescription.cmake:83 (include)
/home/baruch/esp5/esp-idf-v5.3/tools/cmake/third_party/GetGitRevisionDescription.cmake:93 (get_git_head_revision)
managed_components/espressif__esp_rainmaker/CMakeLists.txt:93 (git_describe)

Description

Related

Testing

---

Checklist

Before submitting a Pull Request, please ensure the following:

• [v] 🚨 This PR does not introduce breaking changes.
• [v ] All CI checks (GH Actions) pass. tested locally.
• [v] Documentation is updated as needed. N/A
• [v] Tests are updated or added as necessary. N/A
• [v] Code is well-commented, especially in complex areas.
• [v] Git history is clean — commits are squashed to the minimum necessary.

[CLAassistant]

All committers have signed the CLA.

[geiseri]

Anyone want to merge this?