Move version to 1.3

dockerfiles/latex-builder/Dockerfile

@@ -6,7 +6,7 @@ ARG CI_AWE_IMAGE_TAG
 # or if the conda-builder image is built along with this image.
 FROM ${CI_AWE_IMAGE_BASE}/conda-builder:${CI_AWE_IMAGE_TAG}
 
-LABEL version="1.2"
+LABEL version="1.3"
 LABEL description="Image for building LaTeX documentation through tectonic"
 
 # Compiling the example will let tectonic pull most common LaTeX packages,