chore(examples/connect): use exported strings for attributes

[maryliag]

Which problem is this PR solving?

• Part Of Update usage of semantic conventions to new exported strings #2025

Short description of the changes

On package examples/connect:

• Update @opentelemetry/semantic-conventions to ^1.23.0
• Use exported strings for Semantic Resource Attributes.

[codecov]

Codecov Report

Merging #2120 (4ce0b41) into main (dfb2dff) will decrease coverage by 0.63%.
Report is 64 commits behind head on main.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2120      +/-   ##
==========================================
- Coverage   90.97%   90.35%   -0.63%     
==========================================
  Files         146      147       +1     
  Lines        7492     7679     +187     
  Branches     1502     1575      +73     
==========================================
+ Hits         6816     6938     +122     
- Misses        676      741      +65     

see 9 files with indirect coverage changes

[trentm]

Yo, github, wassup with the stuck in:

Checking for ability to merge automatically…
Hang in there while we check the branch’s status.

[trentm]

There was a GH incident that was resolved about 1h ago that might have been related: https://www.githubstatus.com/incidents/7txcg0j03kkg

I'm thinking of Leslie Lamport right now: “A distributed system is one in which the failure of a computer you didn't even know existed can render your own computer unusable”

[trentm]

Yo, github, wassup with the stuck in:

Checking for ability to merge automatically…
Hang in there while we check the branch’s status.

Back now.