Fix incorrect pin connection for Generic EEPROM footprint on the WeAct Black Pill V3.0 board page

Author: ThomasGravekamp

_data/boards/STM32F401CEU6-WeAct-Black-Pill-V3.0.json

@@ -267,7 +267,7 @@
             "footprint": true,
             "pins": [
                 { "number": 1, "name": null, "function": "/CS",   "to": "PA4" },
-                { "number": 2, "name": null, "function": "DO",    "to": "PB4" },
+                { "number": 2, "name": null, "function": "DO",    "to": "PA6" },
                 { "number": 3, "name": null, "function": "/WP",   "to": "+3.3V rail" },
                 { "number": 4, "name": null, "function": "GND",   "to": "Ground plane" },
                 { "number": 5, "name": null, "function": "DI",    "to": "PA7" },