Add version information

[ghubertpalo]

Content

This PR adds the -V|--version to CLI tools.
It also adds a software version in the API headers.

Pre-submit checklist

• Branch
  • Tests are provided (if possible)
  • Commit sequence broadly makes sense
  • Key commits have useful messages
• PR
  • No clippy warnings in the CI
  • Self-reviewed the diff
  • Useful pull request description
  • Reviewer requested
• Documentation
  • Update README file (if relevant)
  • Update documentation website (if relevant)
  • Add dev blog post (if relevant)

Comments

Issue(s)

Closes #541

[jpraynaud]

LGTM

[github-actions]

Unit Test Results

    7 files  ±0    22 suites  ±0   1m 36s ⏱️ -56s
334 tests ±0  334 ✔️ ±0  0 💤 ±0  0 ❌ ±0 
335 runs  ±0  335 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 6056fb7. ± Comparison against base commit 3955689.

♻️ This comment has been updated with latest results.