[release] Build GrimoireLab package using Python 3.9

Set the Python version to 3.9 to build the GrimoireLab package.
This ensures compatibility with the lowest supported Python
version when generating the package.

Signed-off-by: Jose Javier Merchante <jjmerchante@bitergia.com>

Author: jjmerchante

.github/workflows/release.yml

@@ -17,6 +17,7 @@ jobs:
           artifact-name: grimoirelab-dist
           artifact-path: dist
           pin-dependencies: yes
+          python-version: 3.9
 
   tests:
     needs: [build]

poetry.lock

@@ -52,10 +52,7 @@ cereslib = {version = ">=1.0.10-rc.1", allow-prereleases = true}
 graal = {version = ">=1.1.3-rc.2", allow-prereleases = true}
 perceval = {version = ">=1.2.0-rc.1", allow-prereleases = true}
 
-# Pin dependency to work with Python 3.9
-networkx = "3.2.1"
-
-[tool.poetry.dev-dependencies]
+[tool.poetry.group.dev.dependencies]
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]