hunspell-de_CH: fix update-check

[pascal-huber]

General

• This is a new package and it conforms to the quality requirements

Have the results of the proposed changes been tested?

• I use the packages affected by the proposed changes on a regular basis and confirm this PR works for me
• I generally don't use the affected packages but briefly tested this PR

[Chocimier]

Thanks. Modifying pattern is enough, _version is defined in template the same.

[pascal-huber]

Thanks. Modifying pattern is enough, _version is defined in template the same.

_version has hyphens instead of periods.

[Chocimier]

Oh, right.