[SEMANTIC CONVENTIONS] Upgrade semantic conventions to 1.33

[marcalff]

Fixes # (issue)

Changes

• Upgrade semantic conventions to 1.33.0
• Upgrade weaver to 1.15.0

For significant contributions please make sure you have completed the following items:

• CHANGELOG.md updated for non-trivial changes
• Unit tests have been added
• Changes in public API reviewed

[netlify]

✅ Deploy Preview for opentelemetry-cpp-api-docs canceled.

Name	Link
🔨 Latest commit	837d4ac
🔍 Latest deploy log	https://app.netlify.com/projects/opentelemetry-cpp-api-docs/deploys/68275a1924061e0008bf1029

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.04%. Comparing base (44018b0) to head (837d4ac).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3416      +/-   ##
==========================================
+ Coverage   90.01%   90.04%   +0.03%     
==========================================
  Files         212      212              
  Lines        6932     6932              
==========================================
+ Hits         6239     6241       +2     
+ Misses        693      691       -2     

see 1 file with indirect coverage changes

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