[BUILD] Upgrade to opentelemetry-proto 1.7.0

[marcalff]

Fixes #3431

Changes

Upgrade opentelemetry-proto to version 1.7.0.

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	6996342
🔍 Latest deploy log	https://app.netlify.com/projects/opentelemetry-cpp-api-docs/deploys/6847d311739b1000082d326a

[marcalff]

Note:

CI bazel build is expected to fail, until the following issue is fixed in bazel central:

• Add opentelemetry-proto 1.7.0 bazelbuild/bazel-central-registry#4641

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.91%. Comparing base (545f9f4) to head (6996342).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3443   +/-   ##
=======================================
  Coverage   89.91%   89.91%           
=======================================
  Files         219      219           
  Lines        7041     7041           
=======================================
  Hits         6330     6330           
  Misses        711      711           

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[lalitb]

Also update here -

opentelemetry-cpp/third_party_release

Line 22 in 545f9f4

opentelemetry-proto=v1.6.0