Revert to IDF v5.4.0.250218

until the reason for failing in `kconfiglib.py` with latest IDF 5.4.0.250221 is found

Author: Jason2866

platform.json

@@ -51,7 +51,7 @@
       "type": "framework",
       "optional": true,
       "owner": "pioarduino",
-      "version": "https://github.com/pioarduino/esp-idf/releases/download/v5.4.0.250221/esp-idf-v5.4.0.zip"
+      "version": "https://github.com/pioarduino/esp-idf/releases/download/v5.4.0.250218/esp-idf-v5.4.0.zip"
     },
     "toolchain-xtensa-esp-elf": {
       "type": "toolchain",