git submodule status always shows outdated versions

```console
$  git submodule status
 7ed6ca965061303eb5a6dbde4fab240abfce41a7 topobank (0.92.0-161-g7ed6ca96)
 39e6a76cfc398612a3b255d08d467b1e1f54bd6a topobank-contact (0.92.1-45-g39e6a76)
 40007d5b865537f325e4ef09528c5e07db866278 topobank-ml (heads/main)
 28eb85a3c12c38f70fdc5b0f7abbc205d29fba15 topobank-statistics (0.92.1-49-g28eb85a)
```