Add changelog for v4.16.6

[dirkkul]

No description provided.

[orca-security-eu]

Orca Security Scan Summary

Status	Check	Issues by priority
Passed	Infrastructure as Code	0   0   0   0	View in Orca
Passed	SAST	0   0   0   0	View in Orca
Passed	Secrets	0   0   0   0	View in Orca
Passed	Vulnerabilities	0   0   0   0	View in Orca

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.29%. Comparing base (1744b0f) to head (4c923da).
⚠️ Report is 60 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1777      +/-   ##
==========================================
+ Coverage   87.25%   87.29%   +0.03%     
==========================================
  Files         269      269              
  Lines       18718    18735      +17     
==========================================
+ Hits        16332    16354      +22     
+ Misses       2386     2381       -5     

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