Merge branch 'docs/fix-kconfig-idf-version' into 'main'

docs: fix kconfig suitable idf version

Closes PACMAN-1153

See merge request espressif/idf-component-manager!521

Author: kumekay

docs/en/reference/manifest_file.rst

@@ -451,7 +451,7 @@ The following table outlines the supported comparison types for the ``if`` field
 
 .. versionadded:: 2.2.0
 
-   - Support for `kconfig options`_ as left values (requires ESP-IDF v5.5+)
+   - Support for `kconfig options`_ as left values (requires ESP-IDF >=6.0)
    - Support for ``boolean``, ``integer``, and ``hexadecimal integer`` data types in `kconfig options`_
 
 .. warning::

idf_component_manager/prepare_components/prepare.py

@@ -99,7 +99,7 @@ def main():
     # *1* starting ESP-IDF 5.0
     # *2* starting ESP-IDF 5.1
     # *3* starting ESP-IDF 5.2
-    # *4* starting ESP-IDF 5.5
+    # *4* starting ESP-IDF 6.0
 
     parser.add_argument(
         '--interface_version',