fix(deps): update dependency sphinx_rtd_theme to ^0.5.0

Author: renovate-bot

poetry.lock

@@ -49,7 +49,7 @@ black = {version = "stable", optional = true, allow-prereleases = true}
 sphinx = {version = "^2.3.0", optional = true}
 sphinx-autodoc-typehints = {version = "^1.10.3", optional = true}
 sphinx-autobuild = {version = "^0.7.1", optional = true}
-sphinx_rtd_theme = {version = "^0.4.3", optional = true}
+sphinx_rtd_theme = {version = "^0.5.0", optional = true}
 # Optional dependencies to be part of `repl` extra
 bpython = {version = "^0.18", optional = true}
 # Non optional dependendies