templates/packer: use python3.10 on fedora

Ansible on fedora 40 seems broken, the default python 3.12 interpreter
doesn't work, 3.10 works but then the dnf module breaks.

Use 3.10 and stop using the dnf module.

templates/packer/ansible/roles/common/tasks/packages.yml

@@ -28,9 +28,8 @@
 - name: Upgrade all packages
   tags:
     - always
-  package:
-    name: "*"
-    state: latest
+  shell: |
+    sudo dnf -y update
   register: result
   retries: 5
   until: result is success
@@ -45,11 +44,8 @@
 - name: Install required packages
   tags:
     - always
-  package:
-    name:
-      - jq
-      - unzip
-      - vector
+  shell: |
+    sudo dnf -y install jq unzip vector
   register: result
   retries: 5
   until: result is success
@@ -122,10 +118,8 @@
   tags:
     - ci
     - rhel
-  package:
-    name:
-      - osbuild-composer-worker
-    state: present
+  shell: |
+    sudo dnf -y install osbuild-composer-worker
 
 - name: Install worker rpm from copr
   tags: