Upgraded python-velbus package, this fixes a lot of problems with the…

[cereal2nd]

… velbus component

Description:

This just upgrades to the latest velbus package to fix a lot of bugs

Checklist:

• The code change is tested and works locally.
• Local tests pass with tox. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated in home-assistant.io

If the code communicates with devices, web services, or third-party tools:

• New or updated dependencies have been added to requirements_all.txt by running script/gen_requirements_all.py.

[balloob]

Update requirements in manifest.json and then, per the instruction in the PR that you checked that you did, run script/gen_requirements_all.py

[cereal2nd]

Fixed, i did run the requirements script but weeks ago, before th requirements thing changed, that's why i missed this.

[balloob]

Thanks!