feat: add shared bins volume for uv and cobbler-enc

- Add puppet-shared-bins PVC (10GB) for shared binaries
- Mount /opt/bin in both compiler and master deployments
- Add init container to install uv binary and cobbler script to shared volume
- Update cobbler-enc to use absolute path and uv cache directory
- Configure puppet.conf to reference cobbler-enc from /opt/bin

apps/base/puppet/deployment_puppetserver-master.yaml

@@ -93,6 +93,8 @@ spec:
             - mountPath: /var/lib/puppet/keys/
               name: eyaml-keys
               readOnly: true
+            - mountPath: /opt/bin/
+              name: puppet-shared-bins
       initContainers:
         - args:
             - mkdir -p /etc/puppetlabs/puppet/eyaml/keys;
@@ -163,3 +165,6 @@ spec:
           secret:
             secretName: eyaml-keys
             defaultMode: 0600
+        - name: puppet-shared-bins
+          persistentVolumeClaim:
+            claimName: puppet-shared-bins