build(docs): Add tool.poetry.extras, relock

Author: tony

poetry.lock

@@ -42,3 +42,6 @@ sphinx = [
 recommonmark = {version = "^0.6.0", optional = true, extras = ["docs"]}
 alagitpull = {version = "^0.0.25-rc.2", optional = true, allow-prereleases = true, extras = ["docs"]}
 sphinx-issues = {version = "^1.2.0", optional = true, extras = ["docs"]}
+
+[tool.poetry.extras]
+docs = ["sphinx", "recommonmark", "sphinx-issues", "alagitpull"]