fix libwebp sha

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: rob93c

Dockerfile

@@ -3,7 +3,7 @@ FROM azul/zulu-openjdk-alpine:24 AS builder
 # bump: libwebp /LIBWEBP_VERSION=([\d.]+)/ git:https://chromium.googlesource.com/webm/libwebp.git|^1
 # bump: libwebp after ./hashupdate Dockerfile LIBWEBP $LATEST
 ARG LIBWEBP_VERSION=1.6.0
-ARG LIBWEBP_SHA256=f483e0bdbb99fb28a43418461e0c79be9750d733c7a41b9fa6ef819b9741d64a
+ARG LIBWEBP_SHA256=1c5ffab71efecefa0e3c23516c3a3a1dccb45cc310ae1095c6f14ae268e38067
 ARG LIBWEBP_FILE="libwebp-$LIBWEBP_VERSION-linux-x86-64.tar.gz"
 ARG LIBWEBP_URL="https://storage.googleapis.com/downloads.webmproject.org/releases/webp/$LIBWEBP_FILE"