chore(deps): bump prometheus-fastapi-instrumentator from 7.1.0 to 8.1.0

[dependabot]

Bumps prometheus-fastapi-instrumentator from 7.1.0 to 8.1.0.

Release notes

Sourced from prometheus-fastapi-instrumentator's releases.

8.1.0 / 2026-07-26

Added

• Added new optional parameter should_include_root_path to the Instrumentator constructor. When set to True, the default exported Prometheus metrics will include the FastAPI app's effective root_path in the handler label. Defaults to False to maintain backwards compatibility. Requested in #390 and implemented in #391.

Fixed

• Fixed resolving route names with root path set in FastAPI app. Raised in #387 and implemented in #391.
• Fixed incorrect handling of nested apps / routes in some corner cases introduced with 8.0.1. Raised in #389 and implemented in #391.

8.0.2 / 2026-06-23

Fixed

• Replaced deprecated asyncio.iscoroutinefunction() with inspect.iscoroutinefunction() in Instrumentator.add() to avoid warnings on Python 3.12+ in #378.

8.0.1 / 2026-06-22

Fixed

• Fixed resolving route names for routers registered via include_router() on FastAPI 0.116+ leading to AttributeError getting raised on every request. The internal route name resolution now also handles _IncludedRouter and recurses into the included router's own routes so the Prometheus label reflects the leaf endpoint. Thanks to @​adeebmirza in #371 for fixing it.
• Fixed hitting mounts with slash redirection collecting wrong handler name. Thanks to @​lbonn for raising and fixing this issue in #369.

8.0.0 / 2026-05-29

• BREAKING: Ported project to Starlette v1. This includes new required minimum versions of Python, Starlette, and FastAPI. Bumped starlette dependency from >=0.30.0,<1.0.0 to >=1.0.0,<2.0.0. Bumped requires-python from >=3.8 to >=3.10 (starlette dropped support). Bumped fastapi dev dependency to ^0.133.0 (first version supporting starlette v1). Adjusted middleware app parameter type from Starlette to ASGIApp. Thanks to @​bgermann in #357 for implementing it.

Changelog

Sourced from prometheus-fastapi-instrumentator's changelog.

8.1.0 / 2026-07-26

Added

• Added new optional parameter should_include_root_path to the Instrumentator constructor. When set to True, the default exported Prometheus metrics will include the FastAPI app's effective root_path in the handler label. Defaults to False to maintain backwards compatibility. Requested in #390 and implemented in #391.

Fixed

• Fixed resolving route names with root path set in FastAPI app. Raised in #387 and implemented in #391.
• Fixed incorrect handling of nested apps / routes in some corner cases introduced with 8.0.1. Raised in #389 and implemented in #391.

8.0.2 / 2026-06-23

Fixed

• Replaced deprecated asyncio.iscoroutinefunction() with inspect.iscoroutinefunction() in Instrumentator.add() to avoid warnings on Python 3.12+ in #378.

8.0.1 / 2026-06-22

Fixed

• Fixed resolving route names for routers registered via include_router() on FastAPI 0.116+ leading to AttributeError getting raised on every request. The internal route name resolution now also handles _IncludedRouter and recurses into the included router's own routes so the Prometheus label reflects the leaf endpoint. Thanks to @​adeebmirza in #371 for fixing it.
• Fixed hitting mounts with slash redirection collecting wrong handler name. Thanks to @​lbonn for raising and fixing this issue in #369.

... (truncated)

Commits

• 2fca3e8 chore: Prepare release v8.1.0
• d4ccc4e test: Add a few tests for fastapi behavior
• 079140d test: Add tests for subapp instrumentation behavior
• 9762104 test: Add flag for root path handling
• 1aac4ce test: Add flag for root path handling
• 35d56b3 test: Add flag for root path handling
• 906e1b7 Adjust test name
• ad58830 Rewrite from scratch
• d1fa789 x
• 38530af fix: Yet another regression
• Additional commits viewable in compare view

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