Minor fixes to README and conanfile

[StephanieKemna]

Developer/PR creator checklist

I have:

• [N/A] commented my code, particularly in hard-to-understand areas
• performed a self-review of my own code
• not committed unnecessary formatting changes, thereby occluding the actual changes (e.g. change of tab spacing, eol, etc.)
• [N/A] made corresponding changes to the documentation
• [N/A] added change to CHANGELOG.md
• [N/A] added tests that prove my fix is effective or that my feature works (for core features)

Reviewer checklist

I have:

• performed a self-review of my own code have performed a review of the code
• tested that the software still works as expected
• checked updates to documentation
• checked that the CHANGELOG is updated

[KristofferSkare]

Looks good!