ci: tets multiple os (#1512)

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### Description

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Resolves or fixes issue: <!-- ✍️ Add GitHub issue number in format
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### AI Tool Disclosure

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Signed-off-by: Jan Kowalleck <jan.kowalleck@gmail.com>

Author: jkowalleck

.github/workflows/nodejs.yml

@@ -125,7 +125,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ "ubuntu-latest" ]
+        os:
+          - 'ubuntu-latest'
+          - 'windows-latest'
+          - 'macos-latest'
         node-version:
           # action based on https://github.com/actions/node-versions/releases
           # see also: https://nodejs.org/en/about/previous-releases

tests/_testbeds/feature-issue676/.gitattributes

@@ -0,0 +1,3 @@
+apache2.LICENSE     text eol=lf
+LICENCE             text eol=lf
+NOTICE              text eol=lf

tests/_testbeds/regression-issue1384/.gitattributes

@@ -0,0 +1 @@
+LICENCE.mit     text eol=lf