improve tracing coverage (#131)

* refactor(agent): add tracing to expensive calls

* skip keypair for tracing

* add more traces to oracle state

* precommit

* remove unnecessary traces

* add opentelemetry exporter

* add more instruments

* add more instruments

* address comments

* update config

* address comments

* make opentelemetry config optional

* bump minor version

---------

Co-authored-by: Reisen <reisen@morphism.org>

Author: cctdaniel

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "pyth-agent"
-version = "2.9.0"
+version = "2.10.0"
 edition = "2021"
 
 [[bin]]
@@ -52,6 +52,10 @@ winnow = "0.6.5"
 proptest = "1.4.0"
 tracing = { version = "0.1.40", features = ["log"] }
 tracing-subscriber = { version = "0.3.18", features = ["env-filter", "json"] }
+tracing-opentelemetry = "0.24.0"
+opentelemetry = "0.23.0"
+opentelemetry_sdk = { version = "0.23.0", features = ["rt-tokio"]}
+opentelemetry-otlp = { version = "0.16.0" }
 
 [dev-dependencies]
 tokio-util = { version = "0.7.10", features = ["full"] }