[FEATURE]: Rewrite to match/case

[CoMPaTech]

Describe the solution you are looking for

Also see #565 comment on rewriting the if statements to match/cases

Is your feature request related to a problem? (optional)

Just an idea that came up

Describe alternatives you've considered

Leaving as be - there is no harm in the current set up

What type of installation are you running?

Home Assistant OS

How did you install python-plugwise (or plugwise) for short

HA using HACS

What kind of Plugwise device is having issues?

Smile: Anna

What firmware version is your Plugwise product at?

n/a

Your setup

n/a

Additional context

n/a

[bouwew]

Implemented via #572