RTC: PCF85063 support, port to SensorLib 0.3.1 (#8061)

* RTC: PCF85063 support, port to SensorLib 0.3.1

* Tidy up defines

* Remove RTC/PCF8563 mentions from unrelated variants

* Bump SensorLib 0.3.2

* Use SensorRtcHelper

* Consistent warning message

* Fix oversight

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Manuel <71137295+mverch67@users.noreply.github.com>
Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

variants/esp32s3/ELECROW-ThinkNode-M5/platformio.ini

@@ -18,7 +18,5 @@ build_flags =
 lib_deps = ${esp32s3_base.lib_deps}
   # renovate: datasource=git-refs depName=meshtastic-GxEPD2 packageName=https://github.com/meshtastic/GxEPD2 gitBranch=master
   https://github.com/meshtastic/GxEPD2/archive/1655054ba298e0e29fc2044741940f927f9c2a43.zip
-  # renovate: datasource=custom.pio depName=PCF8563 packageName=lewisxhe/library/PCF8563_Library
-  lewisxhe/PCF8563_Library@1.0.1
   # renovate: datasource=custom.pio depName=PCA9557-arduino packageName=maxpromer/library/PCA9557-arduino
   maxpromer/PCA9557-arduino@1.0.0

variants/esp32s3/ELECROW-ThinkNode-M5/variant.h

@@ -44,9 +44,6 @@
 #define PIN_SERIAL1_RX GPS_TX_PIN
 #define PIN_SERIAL1_TX GPS_RX_PIN
 
-// PCF8563 RTC Module
-#define PCF8563_RTC 0x51
-
 #define SX126X_CS 17
 #define LORA_SCK 16
 #define LORA_MOSI 15