Update docs CI with upstream ns-3 changes

Author: nondetalle

.github/actions/install-doc/action.yml

@@ -11,7 +11,7 @@ runs:
       run: >
         pacman-key --init && pacman -Syu --noconfirm
         python python-sphinx make libxml2-legacy
-        graphviz imagemagick
+        graphviz imagemagick libx264
         texlive-basic texlive-bin texlive-binextra texlive-latexextra texlive-fontutils texlive-fontsrecommended texlive-mathscience
         wget &&
         pacman --noconfirm -U

.github/workflows/deploy-doc.yml

@@ -24,7 +24,7 @@ jobs:
       - name: "Install additional dependencies for Doxygen"
         run: |
           pacman -Syu --noconfirm base-devel ninja cmake ccache
-          pacman --noconfirm -U https://archive.archlinux.org/packages/d/doxygen/doxygen-1.15.0-1-x86_64.pkg.tar.zst
+          pacman --noconfirm -U https://archive.archlinux.org/packages/d/doxygen/doxygen-1.15.0-2-x86_64.pkg.tar.zst
       - name: "Build ns-3"
         env:
           BUILD_ID: per-commit-g++-debug

.github/workflows/test-doc.yml

@@ -23,7 +23,7 @@ jobs:
       - name: "Install additional dependencies for Doxygen"
         run: |
           pacman -Syu --noconfirm base-devel ninja cmake ccache
-          pacman --noconfirm -U https://archive.archlinux.org/packages/d/doxygen/doxygen-1.15.0-1-x86_64.pkg.tar.zst
+          pacman --noconfirm -U https://archive.archlinux.org/packages/d/doxygen/doxygen-1.15.0-2-x86_64.pkg.tar.zst
       - name: "Build ns-3"
         env:
           BUILD_ID: per-commit-g++-debug