component/slapos: use python 3.9 for slapos-node

component/firewalld/buildout.cfg

@@ -73,7 +73,6 @@ environment =
 recipe = slapos.recipe.cmmi
 url = https://download.gnome.org/core/44/44.9/sources/gobject-introspection-1.76.1.tar.xz
 md5sum = 5cb554fdd139db79f9b1be13892fddac
-configure-command = true # Disable configure, use meson, required by 1.70+
 pre-configure =
   mkdir -p subprojects/gnu-config
   cp -f ${gnu-config:location}/config.sub ${gnu-config:location}/config.guess subprojects/gnu-config/
@@ -94,7 +93,6 @@ recipe = slapos.recipe.cmmi
 url = https://download.gnome.org/core/44/44.9/sources/pygobject-3.44.2.tar.xz
 python-egg = ${buildout:parts-directory}/${:_buildout_section_name_}/lib/python${python:version}/site-packages
 md5sum = f1a1e2304c328094806c306bbf658e85
-configure-command = true # Disable configure, use meson
 pre-configure =
   mkdir -p subprojects/gnu-config
   cp -f ${gnu-config:location}/config.sub ${gnu-config:location}/config.guess subprojects/gnu-config/

component/slapos/buildout.cfg

@@ -19,9 +19,9 @@ parts =
   py
   firewalld-patch
 
-# Force python3.7 for a while to be compatible with more SR
+# Force our own version of python to not depend on the default one (we need to keep backward compatibility a bit longer in slapos-node package)
 [python3]
-<= python3.7
+<= python3.9
 
 [environment]
 # Note: For now original PATH is appended to the end, as not all tools are