fix(bindings): exclude preserve_none instruction from bindings

[ptondereau]

Description

Checklist

Check the boxes that apply (put an x in the brackets, like [x]). You can also check boxes after the PR is created.

• I have read the contribution guidelines.
• I have added tests that prove my code works as expected.
• I have added documentation if applicable.
• I have added a migration guide if applicable.

❤️ Thank you for your contribution!

[coveralls]

Pull Request Test Coverage Report for Build 20349106481

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 36.015%

---

Totals
Change from base Build 20344194219:	0.0%
Covered Lines:	1652
Relevant Lines:	4587

---

💛 - Coveralls