rstudio: Support new bundled pandoc path

rstudio/latest.Dockerfile

@@ -58,6 +58,8 @@ RUN apt-get update \
     BUNDLED_PANDOC="/usr/lib/rstudio-server/bin/pandoc/pandoc"; \
   elif [ -f "/usr/lib/rstudio-server/bin/quarto/bin/pandoc" ]; then \
     BUNDLED_PANDOC="/usr/lib/rstudio-server/bin/quarto/bin/pandoc"; \
+  elif [ -f "/usr/lib/rstudio-server/bin/quarto/bin/tools/pandoc" ]; then \
+    BUNDLED_PANDOC="/usr/lib/rstudio-server/bin/quarto/bin/tools/pandoc"; \
   fi \
   && ln -s "$BUNDLED_PANDOC" /usr/local/bin \
   && if [ -f "${BUNDLED_PANDOC}-citeproc" ]; then \