Previsouly we were using two data items:
```toml
[cve_table_date_before]
other = "(last updated: "
[cve_table_date_after]
other = ")"
```
Which was simplified, using printf, to:
```toml
[cve_table_date_format_string]
other = "(last updated: %s)"
```
This is related to the following discussion
https://github.com/kubernetes/website/pull/38579#discussion_r1116992896