Merge pull request #323 from canonical/renovate/canonical-sphinx-0.x

chore(deps): update dependency canonical-sphinx to v0.4.1

Author: keirthana

requirements.txt

@@ -1,3 +1,3 @@
-canonical-sphinx[full]==0.4.0
+canonical-sphinx[full]==0.4.1
 sphinxcontrib-svg2pdfconverter[CairoSVG]
 sphinx-last-updated-by-git