Fix upload partition size, reduce flash usage from 97% to 48%

Match partition size specified in RTKEverywhere.csv

Author: LeeLeahy2

Firmware/RTK_Everywhere/makefile

@@ -95,7 +95,7 @@ RTK:	RTK_Everywhere.ino *.ino *.h
 	arduino-cli compile --fqbn "esp32:esp32:esp32":DebugLevel=$(DEBUG_LEVEL),PSRAM=enabled RTK_Everywhere.ino \
 		--warnings default \
 		--build-property build.partitions=RTKEverywhere \
-		--build-property upload.maximum_size=3145728 \
+		--build-property upload.maximum_size=6291456 \
 		--build-property "compiler.cpp.extra_flags=-MMD -c \"-DPOINTPERFECT_TOKEN=$(POINTPERFECT_TOKEN)\" \"-DFIRMWARE_VERSION_MAJOR=$(FIRMWARE_VERSION_MAJOR)\" \"-DFIRMWARE_VERSION_MINOR=$(FIRMWARE_VERSION_MINOR)\" \"-DENABLE_DEVELOPER=$(ENABLE_DEVELOPER)\"" \
 		--export-binaries