Update to semconv 1.12.0, build tools 0.8.0

[jack-berg]

Build tools latest is at version 0.12.1 but that references semantic convention schema key requirement_level which will be released in the next version of the specification.

[codecov]

Codecov Report

Merging #4637 (e55a293) into main (2ef73c8) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##               main    #4637   +/-   ##
=========================================
  Coverage     90.05%   90.06%           
  Complexity     5066     5066           
=========================================
  Files           581      581           
  Lines         15618    15621    +3     
  Branches       1497     1497           
=========================================
+ Hits          14065    14069    +4     
  Misses         1098     1098           
+ Partials        455      454    -1     

Impacted Files	Coverage Δ
...emconv/resource/attributes/ResourceAttributes.java	100.00% <100.00%> (ø)
...ava/io/opentelemetry/sdk/internal/RateLimiter.java	94.11% <0.00%> (-5.89%)	⬇️
...metry/sdk/metrics/export/PeriodicMetricReader.java	87.14% <0.00%> (-2.86%)	⬇️
.../opentelemetry/exporter/prometheus/Serializer.java	86.44% <0.00%> (+0.42%)	⬆️
...telemetry/sdk/trace/export/BatchSpanProcessor.java	93.10% <0.00%> (+0.68%)	⬆️
...y/exporter/internal/marshal/CodedOutputStream.java	71.00% <0.00%> (+1.18%)	⬆️

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