How to increment prerelease version by 1 each commit/push per branch?

[dev11ocean]

Scenario:
I have multiple feature branches based off the same dev/release branch. These branches contain code to create a nuget package. I am producing a nuget package per branch per push. Nuget feeds don't allow duplicate packages of the same version, so I need a unique way to distinguish between them. The plan is to use conventional commits to increase the major.minor.patch.

I cannot find a way to increment the prerelease version. For example, I have the following branch based off of some release/dev branch with version 1.0.0: Branch1.
First push on Branch1 gives me a SemVer of 1.0.0-Branch1.1. I expect the second commit/push to give me a SemVer of 1.0.0-Branch1.2. Instead it stays at .1.

I kind of had some luck changing the unknown/feature branch configs to use mode: ContinousDelivery, but that pre-release version wouldn't reset when making new branches. So if my Branch1 SemVer is 1.0.0-Branch1.2, and I make Branch2 based off of Branch1, the SemVer is 1.0.0-Branch2.3 instead of 1.0.0-Branch2.1.

If that prerelease version is NOT the right way to do this please let me know.