fix(deps): update opentelemetry-rust monorepo to 0.28

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
opentelemetry	dev-dependencies	minor	0.27 -> 0.28
opentelemetry	dependencies	minor	0.27 -> 0.28
opentelemetry-semantic-conventions (source)	dependencies	minor	0.27 -> 0.28
opentelemetry_sdk	dependencies	minor	0.27 -> 0.28

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Release Notes

open-telemetry/opentelemetry-rust (opentelemetry)

v0.28.0

Compare Source

open-telemetry/opentelemetry-rust (opentelemetry-semantic-conventions)

v0.28.0

Compare Source

Released 2025-Feb-10

• Update to v1.29.0 of the semantic conventions.
• Bump msrv to 1.75.0.

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