Add test for a database name border case

[seeforschauer]

Description

This PR closes #807.

• fix typo in documentation
• add test border case 63 and 64 letters in a database name.

• I added tests for new functionality or bugfixes.
• I ran task all, and it passed.
• I added/updated comments for both exported and unexported top-level declarations (functions, types, etc).
• I checked comments rendering with task godocs.
• (for maintainers only) I set Reviewers, Assignee, Labels, Project and project's Sprint fields.
• I marked all done items in this checklist.

[codecov]

Codecov Report

Merging #921 (5ed1e9f) into main (c75a8ae) will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #921      +/-   ##
==========================================
- Coverage   59.71%   59.68%   -0.03%     
==========================================
  Files         224      224              
  Lines       10200    10200              
==========================================
- Hits         6091     6088       -3     
- Misses       3399     3401       +2     
- Partials      710      711       +1     

Impacted Files	Coverage Δ
internal/util/version/version.go	55.00% <0.00%> (-5.00%)	⬇️

Flag	Coverage Δ
integration	61.91% <ø> (-0.04%)	⬇️
mongodb	19.05% <ø> (-0.04%)	⬇️
pg	61.80% <ø> (-0.04%)	⬇️
tigris	49.75% <ø> (ø)
unit	25.04% <ø> (-0.04%)	⬇️

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[AlekSi]

I marked all done items in this checklist.

Please don't ignore the checklist we all wanted to introduce