pyproject.toml: Create test and doc groups

Requires Poetry v1.2
https://python-poetry.org/blog/announcing-poetry-1.2.0/#dependency-groups

doc group is optional and installed for doc job

.gitlab-ci.yml

@@ -140,7 +140,7 @@ release_test:
 pages:
   stage: publish_doc
   script:
-    - poetry install
+    - poetry install --with doc
     - poetry run sphinx-apidoc -o docs .
     - poetry run sphinx-build -b html docs public
   artifacts:

pyproject.toml

@@ -37,10 +37,15 @@ libnacl = "^1.7.2"
 pyaes = "^1.6.1"
 mnemonic = "^0.19"
 
-[tool.poetry.dev-dependencies]
+[tool.poetry.group.test.dependencies]
 pytest = "^7.1.2"
 pytest-cov = "^3.0.0"
 pytest-sugar = "^0.9.4"
+
+[tool.poetry.group.doc]
+optional = true
+
+[tool.poetry.group.doc.dependencies]
 sphinx = "^4.3.0"
 sphinx_rtd_theme = "^1.0.0"