Fix processing errors for some HEIF images from iOS 18 (#34086)

Dockerfile

@@ -57,6 +57,9 @@ SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 ENV DEBIAN_FRONTEND="noninteractive" \
     PATH="${PATH}:/opt/ruby/bin:/opt/mastodon/bin"
 
+# Add backport repository for some specific packages where we need the latest version
+RUN echo 'deb http://deb.debian.org/debian bookworm-backports main' >> /etc/apt/sources.list
+
 # Ignoring these here since we don't want to pin any versions and the Debian image removes apt-get content after use
 # hadolint ignore=DL3008,DL3009
 RUN apt-get update && \
@@ -74,6 +77,7 @@ RUN apt-get update && \
         libicu72 \
         libidn12 \
         libyaml-0-2 \
+        libheif1/bookworm-backports \
         file \
         ca-certificates \
         tzdata \