update semconv to 1.22.0

[brettmc]

Since 1.19.0, the source has been split out of opentelemetry-specifiction into semantic-conventions. Update the build script accordingly. Update to latest generator.
Add 2 new deprecations for semconvs which were renamed since 1.19

[brettmc]

Prior to merging this, I'd like to discuss whether we should tag semconv with the upstream version? i.e, publish our current version as 1.19.0 and this next one as 1.22.0.
Since the repo moved, I wasn't getting notifications of new releases, so we missed a couple. Meh.

[codecov]

Codecov Report

Merging #1126 (86a363c) into main (ea86fe1) will decrease coverage by 0.02%.
The diff coverage is 0.00%.

❗ Current head 86a363c differs from pull request most recent head 24bdce9. Consider uploading reports for the commit 24bdce9 to get more accurate results

@@             Coverage Diff              @@
##               main    #1126      +/-   ##
============================================
- Coverage     83.50%   83.49%   -0.02%     
  Complexity     2160     2160              
============================================
  Files           279      279              
  Lines          6136     6137       +1     
============================================
  Hits           5124     5124              
- Misses         1012     1013       +1     

Flag	Coverage Δ
7.4	82.11% <0.00%> (-0.02%)	⬇️
8.0	83.42% <0.00%> (-0.02%)	⬇️
8.1	83.55% <0.00%> (-0.02%)	⬇️
8.2	83.55% <0.00%> (-0.02%)	⬇️
8.3	83.55% <0.00%> (-0.02%)	⬇️

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Files	Coverage Δ
src/SDK/Resource/Detectors/Sdk.php	82.35% <0.00%> (-5.15%)	⬇️

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