Update Arista FWUtil Version (sonic-net#24617)

Signed-off-by: Dawei Huang <daweihuang@microsoft.com>

Author: peterbailey-arista

platform/broadcom/platform-modules-arista.mk

@@ -23,7 +23,7 @@ export ARISTA_PLATFORM_MODULE \
        ARISTA_PLATFORM_MODULE_DRIVERS \
        ARISTA_PLATFORM_MODULE_LIBS
 
-ARISTA_FWUTIL_VERSION = 1.0.3
+ARISTA_FWUTIL_VERSION = 202511.1
 ARISTA_FWUTIL = arista-fwutil_$(ARISTA_FWUTIL_VERSION)_amd64.deb
 $(ARISTA_FWUTIL)_PATH = $(PLATFORM_PATH)/extra-debs