feat(earthly): Add autoupdate command

Earthfile

@@ -33,7 +33,13 @@ merge:
     RUN git push
     RUN git push origin --delete ${branch}
 
+# rotate will rotate encryption keys in sops-encrypted files
 rotate:
     LOCALLY
     RUN grep -Ril "sops:" ./**/*.yaml | xargs sops -r -i
 
+# enable-autoupdates enables the fedora autoupdating form the system-upgrades namespace
+enable-autoupdates:
+    LOCALLY
+    ARG --required node
+    RUN kubectl label node "${node}" upgrade.shivering-isles.com/fedora-autoupdate=true