⬆️ Update Rust crate axum-otel-metrics 🔀

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
axum-otel-metrics (source)	dependencies	minor	0.8.0 → 0.12.0

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Release Notes

ttys3/axum-otel-metrics (axum-otel-metrics)

v0.12.0

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💼 Other

• Update example crates (6cfa617)

🚜 Refactor

• [breaking] Update to use OTLP exporter for metrics, removed Prometheus exporter support (47161f1)

📚 Documentation

• Update README to remove Prometheus exporter references and highlight OTLP exporter usage (aaa4a1b)
• Update README to include removal of Prometheus exporter support and link to related issue (c140d58)

⚙️ Miscellaneous Tasks

• Update crates (abf2684)
• Update cliff.toml to enable dependency chore messages (13cdf57)
• Adapt metric descriptions to match semantic conventions (aeda8a1)

Chore

• (deps) Update opentelemetry-semantic-conventions requirement (b4307ee)
• (deps) Update opentelemetry requirement from 0.29 to 0.30 (7be8ff9)
• (deps) Update opentelemetry_sdk requirement from 0.29 to 0.30 (2207078)
• (deps) Update opentelemetry-otlp requirement from 0.29.0 to 0.30.0 (d992ebc)

v0.11.0

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[0.11.0] - 2025-05-30

🚜 Refactor

• Refine Cargo.toml for lib (5583193)

⚙️ Miscellaneous Tasks

• Bump version to 0.11.0 (d8291d4)

Chore

• (deps) Update opentelemetry-prometheus requirement (74128a5)
• (deps) Update opentelemetry requirement from 0.28 to 0.29 (3f36999)
• (deps) Update opentelemetry-semantic-conventions requirement (0b2b5c1)
• (deps) Update opentelemetry-otlp requirement from 0.28.0 to 0.29.0 (5a54204)
• (deps) Update opentelemetry_sdk requirement from 0.28 to 0.29 (a5fd8dd)
• (deps) Update prometheus requirement from 0.13.4 to 0.14.0 (8f4807b)
• (deps) Bump tokio in /examples/axum-metrics-demo (7c6c2be)

v0.10.0

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🚀 Features

• (metrics) Add custom bucket support for http metrics layer (7412d30)

🚜 Refactor

• [breaking] Remove provider configuration from builder logic (2331569)
• (metrics) [breaking] Remove requests_total counter and related code (dd4380f)
• Derive default for HttpMetricsLayerBuilder (9195432)
• (metrics) [breaking] Follow latest opentelemetry semantic conventions (31a8847)
• Add support for custom meter provider in HttpMetricsLayerBuilder, so the tests will not fail anymore (e11478d)

📚 Documentation

• Update CHANGELOG.md (2dba44e)
• Update changelog template formatting (3258d03)
• Update CHANGELOG.md (b7110e8)
• Update CHANGELOG.md (b5df24c)
• Enhance otlp exporter usage instructions (e3a7154)
• Update CHANGELOG.md (4d10531)
• Update CHANGELOG.md (54b4518)
• Update CHANGELOG.md (ea92905)

🎨 Styling

• Reformat code for better readability (cfe2044)

🧪 Testing

• Fix tests (dd7c141)

⚙️ Miscellaneous Tasks

• Fix typo (fe09ab8)
• Add default configuration for git-cliff (b04a15a)
• Add changelog command to Makefile (96518b3)
• [breaking] Update dependencies in Cargo.toml (92549ca)
• Add release-plz shell script (b1b702b)

v0.9.1

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🚀 Features

• Add script to publish crate to crates-io (fa26db6)

📚 Documentation

• Update README with OTLP exporter configuration details (be69da8)
• Update README with prometheus exporter usage link (feef942)
• Update README to improve consistency and formatting (fccf062)

⚙️ Miscellaneous Tasks

• Bump version to 0.9.1 (c27c369)

v0.9.0

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🐛 Bug Fixes

• Fix compat issue with otel rust 0.26 https://github.com/open-telemetry/opentelemetry-rust/blob/main/opentelemetry-sdk/CHANGELOG.md#v0260 (5630fb7)

🚜 Refactor

• Use with_boundaries API to provide custom bounds for Histogram instruments (6b6fa27)
• (metrics) [breaking] Remove Prometheus exporter and registry references (af9eded)

📚 Documentation

• Fix document (2573371)

⚙️ Miscellaneous Tasks

• Update dependencies and refactor SDK meter provider usage (51b1479)
• Bump version to 0.9.0-alpha.3 (a6b6b94)
• Update dependency versions in Cargo.toml (0508e73)
• Update dependencies and improve metrics documentation (bd20ffe)
• Update axum-otel-metrics to version 0.9.0 (1cfb4af)

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