[#7075] Allow all header values

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[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (master@9200b7b). Click here to learn what that means.
The diff coverage is 39.43%.

❗ Current head 41c013d differs from pull request most recent head c41a927. Consider uploading reports for the commit c41a927 to get more accurate results

@@            Coverage Diff            @@
##             master    #7976   +/-   ##
=========================================
  Coverage          ?   39.15%           
  Complexity        ?    11120           
=========================================
  Files             ?     3195           
  Lines             ?    88508           
  Branches          ?    10207           
=========================================
  Hits              ?    34656           
  Misses            ?    50663           
  Partials          ?     3189           

Impacted Files	Coverage Δ
...nt/plugin/proxy/apache/ApacheRequestConstants.java	0.00% <0.00%> (ø)
...in/proxy/apache/ApacheRequestMetadataProvider.java	0.00% <0.00%> (ø)
...ugin/proxy/apache/ApacheRequestParserProvider.java	0.00% <0.00%> (ø)
...t/agent/plugin/proxy/apache/ApacheRequestType.java	0.00% <0.00%> (ø)
...nt/agent/plugin/proxy/app/AppRequestConstants.java	0.00% <0.00%> (ø)
...t/plugin/proxy/app/AppRequestMetadataProvider.java	0.00% <0.00%> (ø)
...ent/plugin/proxy/app/AppRequestParserProvider.java	0.00% <0.00%> (ø)
...inpoint/agent/plugin/proxy/app/AppRequestType.java	0.00% <0.00%> (ø)
...gent/plugin/proxy/nginx/NginxRequestConstants.java	0.00% <0.00%> (ø)
...ugin/proxy/nginx/NginxRequestMetadataProvider.java	0.00% <0.00%> (ø)
... and 5 more

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