Caleb Doxsey 180884cc21 add metrics for cache (#5627) ... ## Summary Add metrics for the global cache. Configure `otel` to export metrics to prometheus. ## Related issues - [ENG-2407](https://linear.app/pomerium/issue/ENG-2407/add-additional-metrics-and-tracing-spans-to-pomerium) ## Checklist - [x] reference any related issues - [ ] updated unit tests - [ ] add appropriate label (`enhancement`, `bug`, `breaking`, `dependencies`, `ci`) - [x] ready for review		2025-05-28 09:49:30 -06:00
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metrics	add metrics for cache (#5627)	2025-05-28 09:49:30 -06:00
prometheus	upgrade to go v1.24 (#5562)	2025-04-02 15:53:09 -06:00
doc.go
http.go
util.go
util_test.go