[opentelemetry-prometheus]: Prepare 0.17.0 release using opentelemetry 0.24

[sbernauer]

Fixes #1950

https://github.com/open-telemetry/opentelemetry-rust/blob/main/opentelemetry-prometheus/README.md states

The development of prometheus exporter has halt until the Opentelemetry metrics API and SDK reaches 1.0. Current
implementation is based on Opentelemetry API and SDK 0.23

However, this blocks us from bumping the opentelemetry crate in our applications.
I can totally understand if you don't want to spend effort on the opentelemetry-prometheus crate, so I'm opening this PR on a best-effort basis. I'm not sure if the development halt also applies to dependecy bumps.

Please feel free to close this PR without any big explanation, sorry for the noise in that case!
Even in that case people could use the branch https://github.com/sbernauer/opentelemetry-rust/tree/feat/otel-prom-0.17.0 in case they really really needed a fork

Changed

• Update opentelemetry dependency version to 0.24
• Update opentelemetry_sdk dependency version to 0.24
• Update opentelemetry-semantic-conventions dependency version to 0.16

Merge requirement checklist

• CONTRIBUTING guidelines followed
• Unit tests added/updated (if applicable)
• Appropriate CHANGELOG.md files updated for non-trivial, user-facing changes
• Changes in public API reviewed (if applicable)

[linux-foundation-easycla]

• ✅login: sbernauer / (e2d00dc)

The committers listed above are authorized under a signed CLA.

[codecov]

Codecov Report

Attention: Patch coverage is 78.94737% with 4 lines in your changes missing coverage. Please review.

Project coverage is 74.9%. Comparing base (2b026d9) to head (e2d00dc).

Files	Patch %	Lines
opentelemetry-prometheus/src/lib.rs	66.6%	4 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #1957     +/-   ##
=======================================
- Coverage   74.9%   74.9%   -0.1%     
=======================================
  Files        122     122             
  Lines      20387   20395      +8     
=======================================
+ Hits       15277   15281      +4     
- Misses      5110    5114      +4     

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[cijothomas]

Thanks. This looks fine . I will do a release shortly after.

(Note: The prom exporter status still remains same - it may not work with next version of opentelemetry-sdk, and there won't be any fix possible (like this PR), as most likely the upcoming changes will not support pull based exporting at all.)

[cijothomas]

https://crates.io/crates/opentelemetry-prometheus/0.17.0 is available

[sbernauer]

Awesome, many thanks for the quick review and merge!

[ttys3]

the upcoming changes will not support pull based exporting at all.

then, what can we do for exists pull based exporter users?

[cijothomas]

the upcoming changes will not support pull based exporting at all.

then, what can we do for exists pull based exporter users?

Prom exporter will need to stick with last-working-version :(
(Prometheus now has native support for accepting OTLP, or a OTLP Exporter + Collector to expose metrics - these are alternatives)

Cutting down features is important to get to a stable release sooner.