Comment 2 for bug 2067336

Steps to reproduce, Juju 3.4.1, microk8s:

```shell
tameyer@tam-canoncial-1:~$ cd scratch/
tameyer@tam-canoncial-1:~/scratch$ mkdir dummycharm
tameyer@tam-canoncial-1:~/scratch$ cd dummycharm/
tameyer@tam-canoncial-1:~/scratch/dummycharm$ charmcraft init --profile=kubernetes
Charmed operator package file and directory tree initialised.

Now edit the following package files to provide fundamental charm metadata
and other information:

charmcraft.yaml
src/charm.py
README.md

tameyer@tam-canoncial-1:~/scratch/dummycharm$ charmcraft pack
Packed dummycharm_ubuntu-22.04-amd64.charm
tameyer@tam-canoncial-1:~/scratch/dummycharm$ juju deploy ./dummycharm_ubuntu-22.04-amd64.charm --resource some-container-image=ghcr.io/canonical/api_demo_server:1.0.1
Located local charm "dummycharm", revision 0
Deploying "dummycharm" from local charm "dummycharm", revision 0 on ubuntu@22.04/stable
tameyer@tam-canoncial-1:~/scratch/dummycharm$ juju add-secret examplesecret one=one
secret:cpfq9b7mp25c77uu93lg
tameyer@tam-canoncial-1:~/scratch/dummycharm$ juju secrets
ID Name Owner Rotation Revision Last updated
cok9ngnmp25c77t3s890 example <model> never 1 2024-04-24
cpfq9b7mp25c77uu93lg examplesecret <model> never 1 2 seconds ago
tameyer@tam-canoncial-1:~/scratch/dummycharm$ juju exec -u dummycharm/0 secret-get secret:cpfq9b7mp25c77uu93lg
ERROR permission denied
ERROR the following task failed:
 - id "174" with return code 1

use 'juju show-task' to inspect the failure

tameyer@tam-canoncial-1:~/scratch/dummycharm$ juju grant-secret examplesecret dummycharm
tameyer@tam-canoncial-1:~/scratch/dummycharm$ juju exec -u dummycharm/0 secret-get secret:cpfq9b7mp25c77uu93lg
one: one
```