Update manually-builded libheif version to 1.23.4 to patch more DoS vulns

Author: northeastprince

Dockerfile

@@ -16,9 +16,9 @@ FROM base AS build
 # uploads reach through libvips' heifload. Build a patched one and let
 # LD_LIBRARY_PATH shadow the distro package. ENABLE_PLUGIN_LOADING=NO compiles
 # the codecs in, avoiding a plugin/core ABI version mismatch.
-# https://github.com/strukturag/libheif/security/advisories/GHSA-x8r2-mggj-j6wr
-ARG LIBHEIF_VERSION=1.23.3
-ARG LIBHEIF_SHA256=79e1f66059e55728e541b671f347e3fa787cedeb61170f4e75efe8aaee6ef59e
+# https://github.com/strukturag/libheif/security/advisories/GHSA-xrp2-63fq-jm8q
+ARG LIBHEIF_VERSION=1.23.4
+ARG LIBHEIF_SHA256=ce7739356637b7371dcc0ae876027f6f692de9c9ace8cd0e9ed8d79a01ea61f
 
 RUN apt-get update -qq && \
     apt-get install --no-install-recommends -y build-essential git pkg-config libyaml-dev libpq-dev libvips \