Update /conf file permissions

[UtkarshBhatthere]

$ cd /var/snap/microceph/current/conf/
$ whoami
ubuntu
$ ll
total 24
drwxr-xr-x 2 root root 4096 Aug 29 08:43 ./
drwxr-xr-x 4 root root 4096 Aug 29 08:43 ../
-rw------- 1 root root  151 Aug 29 08:43 ceph.client.admin.keyring
-rw-r----- 1 root root  263 Aug 29 08:44 ceph.conf
-rw-r----- 1 root root  102 Aug 29 08:44 ceph.keyring
-rw-r--r-- 1 root root   64 Aug 29 08:43 metadata.yaml
$ cat ceph.keyring 
cat: ceph.keyring: Permission denied
$ cat ceph.conf 
cat: ceph.conf: Permission denied
$ cat ceph.client.admin.keyring 
cat: ceph.client.admin.keyring: Permission denied
$ sudo cat ceph.keyring 
# Generated by MicroCeph, DO NOT EDIT.
[client.admin]
	key = AQCyr+1kE9cxChAA8A5pVgteASeXh24Hi796Sw==

[sabaini]

Nice, many thanks -- lgtm!
As discussed would be a good opportunity to also look at the keyring handling in ceph/keyring.go

[sabaini]

cheers!