Use actions-setup-perl install method to install cpan modules

[sidey79]

Update install method of cpan packages

• Please check if the PR fulfills these requirements

• Tests for the changes have been added / modified (needed for for bug fixes / features)
• commandref has been added / updated (needed for bug fixes / features)
• CHANGED has been updated (needed for bug fixes / features)

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

This changes the way we install cpan modules during our github actions workflow.
The actions-setup-perl action is used to install cpan modules specified in our cpanfile. This brings us caching of cpan modules which speeds up the wokflow a little bit.

• What is the current behavior? (You can also link to an open issue here)

cpan modules are installed via shell commands and are downloaded and installed for every run

• What is the new behavior (if this is a feature change)?

cpan modules are installed via actions-setup-perl
installed cpan modules are cached
all needed cpan modules are specified in cpanfile

• Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)

no

• Other information:

Only for unittesting

[codecov]

Codecov Report

Merging #967 (2b6812e) into master (e7c792e) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #967   +/-   ##
=======================================
  Coverage   58.37%   58.37%           
=======================================
  Files         106      106           
  Lines        8485     8485           
  Branches     1323     1323           
=======================================
  Hits         4953     4953           
  Misses       2638     2638           
  Partials      894      894           

Flag	Coverage Δ
fhem	48.56% <ø> (ø)
modules	58.37% <ø> (ø)
perl	91.54% <ø> (ø)
unittests	58.37% <ø> (ø)

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[sidey79]

@HomeAutoUser

Kannst Du das Review machen? Wenn nicht, kann ja ggf. auch @elektron-bbs mal draufschauen.

[sidey79]

@elektron-bbs
Könntest Du das review übernehmen?

[elektron-bbs]

Von mir aus gern, aber ich bin bei reviewers nicht gelistet.
@HomeAutoUser sollte eigentlich auch wieder aktiv sein.

[HomeAutoUser]

@sidey79
ich schaute drüber und mir fiel nichts auf an Syntax.
Was der Code aber dann macht oder bezweckt, kann ich nur erahnen. ;-)

[sidey79]

Der code installiert die im cpanfile hinterlegten Module über die action und nicht mehr per direktem cpan Befehlsaufruf.

Hattest Du das erahnt?

Wenns passt, dann wäre ein approve sehr schön

[HomeAutoUser]

In der Art erahnte ich es. Das etwas installiert wird.