Update MegaLinter to Version 7 + CoD + Security

[FelixS90]

Description

Upgrade MegaLinter to Version 7
Fix Link in Code of Conduct to ZEISS Netiquette

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

PR

Checklist:

• I followed the Contributing Guidelines.
• I did a self-review.
• I commented my code, particularly in hard-to-understand areas.
• I updated the documentation.
• I updated the version of libCZI following Versioning of libCZI depending on the type of change
  • Bug fix -> PATCH
  • New feature -> MINOR
  • Breaking change -> MAJOR
• I have added tests that prove my fix is effective or that my feature works.
• New and existing unit tests pass locally with my changes.

[codecov]

Codecov Report

Merging #69 (9c5e471) into main (f18a030) will increase coverage by 0.65%.
Report is 1 commits behind head on main.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main      #69      +/-   ##
==========================================
+ Coverage   63.25%   63.90%   +0.65%     
==========================================
  Files          76       75       -1     
  Lines       10098    10117      +19     
==========================================
+ Hits         6387     6465      +78     
+ Misses       3711     3652      -59     

Flag	Coverage Δ
windows-latest	63.90% <ø> (+0.65%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
Src/libCZI/BitmapOperations.cpp	47.05% <ø> (+3.78%)	⬆️
Src/libCZI/BitmapOperations.hpp	30.98% <ø> (ø)
Src/libCZI/CZIReader.cpp	65.21% <ø> (ø)
Src/libCZI/CreateBitmap.cpp	54.28% <ø> (ø)
Src/libCZI/CziAttachment.cpp	100.00% <ø> (ø)
Src/libCZI/CziAttachmentsDirectory.cpp	73.50% <ø> (-0.23%)	⬇️
Src/libCZI/CziAttachmentsDirectory.h	100.00% <ø> (ø)
Src/libCZI/CziDimensionInfo.cpp	58.74% <ø> (ø)
Src/libCZI/CziDisplaySettings.cpp	73.83% <ø> (ø)
Src/libCZI/CziMetadata.cpp	75.37% <ø> (ø)
... and 41 more

... and 1 file with indirect coverage changes

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[ptahmose]

LGTM