update libwebp version regex

Dockerfile

@@ -1,10 +1,11 @@
 FROM eclipse-temurin AS builder
 
-# bump: libwebp /LIBWEBP_VERSION=([\d.]+)/ git:https://chromium.googlesource.com/webm/libwebp.git|^1
+# bump: libwebp /LIBWEBP_VERSION=([\d.]+)/ https://github.com/webmproject/libwebp.git|^1
 # bump: libwebp after ./hashupdate Dockerfile LIBWEBP $LATEST
+# bump: libwebp link "Release notes" https://github.com/webmproject/libwebp/releases/tag/v$LATEST
 ARG LIBWEBP_VERSION=1.4.0
-ARG LIBWEBP_URL="https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-$LIBWEBP_VERSION-linux-x86-64.tar.gz"
-ARG LIBWEBP_SHA256=94ac053be5f8cb47a493d7a56b2b1b7328bab9cff24ecb89fa642284330d8dff
+ARG LIBWEBP_URL="https://github.com/webmproject/libwebp/archive/v$LIBWEBP_VERSION.tar.gz"
+ARG LIBWEBP_SHA256=12af50c45530f0a292d39a88d952637e43fb2d4ab1883c44ae729840f7273381
 
 WORKDIR /app
 RUN curl "$LIBWEBP_URL" -o libwebp.tar.gz && \