Update xshell requirement from 0.1 to 0.2

[dependabot]

Updates the requirements on xshell to permit the latest version.

Changelog

Sourced from xshell's changelog.

0.2.1

• Shell::remove_path returns Ok if the path does not exist (ie the function is now idempotent).

0.2.0

A major release with significant changes to the API:

• All global state is removed in favor of explicitly passing a Shell instance.
• Some methods are renamed to better match Rust naming conventions.
• New APIs for controlling working directory and environment.
• MSRV is raised to 1.59.0.
• Improved reliability across the board: the crate aims to become a dependable 1.0 tool in the future (no ETA).
• This is expected to be the last large API reshufl.

0.1.17

• Allow panics to transparently pass through xshell calls. This removes some internal lock poisoned errors.

0.1.16

• Add xshell::hard_link.

0.1.15

• Correctly handle multiple internal read guards.

0.1.14

• Correctly handle commands name starting with quote.

0.1.13

• Add ignore_stdout, ignore_stderr functions.

0.1.12

• Add env, env_revome, env_clear functions.

0.1.11

• write_file now creates the intervening directory path if it doesn't exit.

0.1.10

• echo_cmd output goes to stderr, not stdout.

... (truncated)

Commits

• a0134df Merge #55
• b921a60 remove_path is idempotent
• 11ab785 Merge #51
• 37cbc60 Fix pre-release publishing
• c543794 Merge #50
• f2e91b6 minor
• dcc23aa release 0.2.0
• 20edbca Use spaces
• 81a6e14 Use edition 2021, rm authors for tests
• b6b7d65 Fix some typos
• Additional commits viewable in compare view

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