Update github actions : Remove Python 3.8, 3.9 and add python 3.12

Author: boulch

.github/workflows/plone-package-test-gha.yml

@@ -25,7 +25,7 @@ jobs:
     runs-on: gha-runners-smartweb
     strategy:
       matrix:
-        python-version: [3.8, 3.9, '3.10']
+        python-version: ['3.10', '3.12']
     steps:
     - name: Checkout codebase
       uses: actions/checkout@v4

base.cfg

@@ -4,9 +4,9 @@ extensions =
     mr.developer
 
 extends =
-    https://dist.plone.org/release/6.0.4/versions.cfg
-    https://dist.plone.org/release/6.0.4/versions-ecosystem.cfg
-    https://dist.plone.org/release/6.0.4/versions-extra.cfg
+    https://dist.plone.org/release/6.0.14/versions.cfg
+    https://dist.plone.org/release/6.0.14/versions-ecosystem.cfg
+    https://dist.plone.org/release/6.0.14/versions-extra.cfg
     https://raw.githubusercontent.com/IMIO/buildout.news/main/sources.cfg
     https://raw.githubusercontent.com/IMIO/buildout.smartweb/main/versions.cfg
     https://raw.githubusercontent.com/IMIO/buildout.smartweb/main/sources.cfg