chore(main): release 7.8.0

[cheminfo-bot]

:robot: I have created a release beep boop

7.8.0 (2023-07-11)

Features

• apply ionization to fixed level #126 (028d53e)
• full fragmentation of mdma (ec526fb)
• get count of lowest children (4f7b02a)

Bug Fixes

• add new field titles (cadee5d)
• get observed monoisotopic mass #123 (592ff9a)
• increased timeout (ceffed3)
• octochemdb: prevent double DB creating (a925180)
• removed useless imports (18e42e9)
• updated snapshot (aafde06)

---

This PR was generated with Release Please. See documentation.

[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (e97dbeb) 80.86% compared to head (f82a39b) 80.86%.

:exclamation: Current head f82a39b differs from pull request most recent head 3cd6c38. Consider uploading reports for the commit 3cd6c38 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #125 +/- ## ======================================= Coverage 80.86% 80.86% ======================================= Files 191 191 Lines 31825 31825 Branches 3231 3231 ======================================= Hits 25736 25736 Misses 6081 6081 Partials 8 8 ```

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[cheminfo-bot]

:robot: Release is at https://github.com/cheminfo/mass-tools/releases/tag/v7.8.0 :sunflower: