update our action to use the new container

actions/action.yml

@@ -3,5 +3,5 @@ name: 'Texlive Build'
 description: 'Build a document using texlive'
 runs:
   using: 'docker'
-  image: 'docker://pandoc/latex:2.9'
+  image: 'docker://ghcr.io/mszep/pandoc_resume/resume_builder:latest
   entrypoint: 'make pdf'