deps: remove unused protobufjs and update used ones to 7.1.1

[pichlermarc]

Which problem is this PR solving?

protobufjs was oudated and unused in some packages. This PR:

• Moves the dependency on protobufjs from @opentelemetry/exporter-trace-otlp-proto and @opentelemetry/exporter-metrics-otlp-proto to @opentelemetry/otlp-proto-exporter-base.
• Removes the dependency on protobufjs from @opentelemetry/otlp-transformer as it is not used there.
• Adds a dev dependency on protobufjs-cli to @opentelemetry/otlp-proto-exporter-base, as the CLI has been moved to its own package in https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v7.0.0
• Updates all dependencies to protobufjs to 7.1.1

Supersedes #3164

How Has This Been Tested?

• Existing tests

Checklist:

• Followed the style guidelines of this project
• Unit tests have been added
• Documentation has been updated

[codecov]

Codecov Report

Merging #3251 (b1bca19) into main (ec56837) will increase coverage by 0.01%.
The diff coverage is n/a.

❗ Current head b1bca19 differs from pull request most recent head bc8d1d5. Consider uploading reports for the commit bc8d1d5 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3251      +/-   ##
==========================================
+ Coverage   92.91%   92.93%   +0.01%     
==========================================
  Files         188      188              
  Lines        5870     5870              
  Branches     1242     1242              
==========================================
+ Hits         5454     5455       +1     
+ Misses        416      415       -1     

Impacted Files	Coverage Δ
...-trace-base/src/platform/node/RandomIdGenerator.ts	93.75% <0.00%> (+6.25%)	⬆️