feat(fetcher/debian): add Debian 12 bookworm

[MaineK00n]

What did you implement:

add Debian 12

Type of change

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

$ goval-dictionary fetch debian 12
INFO[06-15|10:10:08] Fetching...                              URL=https://www.debian.org/security/oval/oval-definitions-bookworm.xml
INFO[06-15|10:10:12] Fetched                                  File=oval-definitions-bookworm.xml Count=25734 Timestamp=2023-06-14T19:40:18.188-04:00
INFO[06-15|10:10:12] Refreshing...                            Family=debian Version=12
INFO[06-15|10:10:12] Inserting new Definitions... 
25731 / 25731 [----------------------------------------------] 100.00% 22602 p/s
INFO[06-15|10:10:14] Finish                                   Updated=25731

Checklist:

You don't have to satisfy all of the following.

• Write tests
• Write documentation
• Check that there aren't other open pull requests for the same issue/feature
• Format your source code by make fmt
• Pass the test by make test
• Provide verification config / commands
• Enable "Allow edits from maintainers" for this PR
• Update the messages below

Is this ready for review?: YES

Reference