static logging methods

[brettmc]

allow logging methods in LogsMessagesTrait to be called from within either a static or non-static method.
in passing, adding a missing coversNothing annotation on a complaining integration test

[codecov]

Codecov Report

Merging #651 (93c0bf0) into main (5f71d3c) will not change coverage.
The diff coverage is 94.73%.

@@            Coverage Diff            @@
##               main     #651   +/-   ##
=========================================
  Coverage     84.27%   84.27%           
  Complexity     1146     1146           
=========================================
  Files           127      127           
  Lines          2772     2772           
=========================================
  Hits           2336     2336           
  Misses          436      436           

Flag	Coverage Δ
7.4	84.21% <94.73%> (ø)
8.0	84.27% <94.73%> (ø)
8.1	84.27% <94.73%> (ø)

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

Impacted Files	Coverage Δ
src/Contrib/Jaeger/JaegerTransport.php	86.66% <0.00%> (ø)
src/Contrib/OtlpGrpc/Exporter.php	90.00% <100.00%> (ø)
src/SDK/Behavior/LogsMessagesTrait.php	100.00% <100.00%> (ø)
...rc/SDK/Trace/SpanProcessor/SimpleSpanProcessor.php	100.00% <100.00%> (ø)
src/SDK/Trace/TracerProviderFactory.php	100.00% <100.00%> (ø)

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