chore(deps): update rust crate envconfig to 0.11.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
envconfig	workspace.dependencies	minor	0.10.0 -> 0.11.0

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Release Notes

greyblake/envconfig-rs (envconfig)

v0.11.0

Compare Source

• [breaking] Nested config fields now needs to be marked with #[envconfig(nested)]
• Environment variable can be automatically derived from a field name (e.g. db_host will be tried to loaded from DB_HOST env var)
• Add install step in README
• Update syn dependency to 2.x.x

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