chore: cleanup

[marxin]

It's a collection of smaller changes I collected in my backlog.

[Copilot]

Pull request overview

This PR performs routine codebase maintenance by standardizing dependency declarations and updating macro syntax to modern conventions.

Key changes:

• Standardized Cargo.toml dependency declarations to use shorthand .workspace = true syntax
• Updated macro fragment specifiers from expr_2021 to expr for consistency with modern Rust practices
• Added /tests/tmp to .gitignore to exclude temporary test files

Reviewed changes

Copilot reviewed 23 out of 24 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
tests/wasmer-argus/Cargo.toml	Standardized async-trait dependency declaration
lib/wasix/Cargo.toml	Standardized bincode, wasmparser, and tracing-subscriber dependency declarations
lib/virtual-net/Cargo.toml	Standardized async-trait dependency declaration
lib/virtual-io/Cargo.toml	Standardized async-trait and futures dependency declarations
lib/virtual-fs/src/mem_fs/stdio.rs	Updated macro fragment specifier from expr_2021 to expr
lib/virtual-fs/src/mem_fs/filesystem.rs	Updated macro fragment specifiers from expr_2021 to expr in test macros
lib/virtual-fs/src/mem_fs/file_opener.rs	Updated macro fragment specifier from expr_2021 to expr in test macro
lib/virtual-fs/src/mem_fs/file.rs	Updated macro fragment specifiers from expr_2021 to expr in test macros
lib/virtual-fs/Cargo.toml	Standardized async-trait dependency declaration
lib/types/src/entity/mod.rs	Updated macro fragment specifier from expr_2021 to expr
lib/sdk/Cargo.toml	Standardized multiple dependency declarations (bytes, futures-util, serde_yaml, thiserror, anyhow, sha2, semver, toml, bytesize, tracing)
lib/package/src/macros.rs	Updated macro fragment specifiers from expr_2021 to expr
lib/journal/Cargo.toml	Standardized async-trait dependency declaration
lib/compiler/Cargo.toml	Standardized which dependency declaration
lib/compiler-singlepass/src/emitter_x64.rs	Updated macro fragment specifiers from expr_2021 to expr throughout multiple macro definitions
lib/compiler-singlepass/src/emitter_arm64.rs	Updated macro fragment specifier from expr_2021 to expr
lib/compiler-singlepass/Cargo.toml	Standardized target-lexicon dev-dependency declaration
lib/compiler-llvm/src/error.rs	Updated macro fragment specifiers from expr_2021 to expr
lib/compiler-llvm/Cargo.toml	Standardized target-lexicon dependency declaration
lib/compiler-cranelift/src/translator/code_translator.rs	Updated macro fragment specifier from expr_2021 to expr
lib/compiler-cranelift/Cargo.toml	Standardized cranelift-entity, cranelift-frontend, and target-lexicon dependency declarations
lib/cli/Cargo.toml	Standardized async-trait dependency declaration
lib/c-api/build.rs	Updated macro fragment specifier from expr_2021 to expr
.gitignore	Added /tests/tmp to exclude temporary test files

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