Update pasts requirement from 0.7 to 0.8

[dependabot]

Updates the requirements on pasts to permit the latest version.

Changelog

Sourced from pasts's changelog.

[0.8.0] - 2021-06-18

Added

• Loop struct to replace wait!() and exec!().
• Task type definition for dynamically spawning tasks.
• Executor trait for implementing custom executors on no-std.
• Past struct for executing !Unpin futures.

Changed

• Removed all unsafe!
• Executor no longer terminates program upon future completion.
• Executor now uses thread parking instead of condvars internally.

Removed

• exec!() macro - use Loop::when() instead.
• join!() macro - use Loop::poll() instead.
• race!() macro - use Loop::poll() instead.
• wait!() macro - use Loop::when() instead.

[0.7.4] - 2021-01-08

Fixed

• Executor never going to sleep, wasting CPU cycles.

[0.7.3] - 2021-01-07

Fixed

• Executor freezing up and not being recoverable (happenned sometimes when two asynchronous tasks simultaneously woke the executor).

[0.7.2] - 2020-12-29

Fixed

• Links in README

[0.7.1] - 2020-12-29

Fixed

• Category slug.

[0.7.0] - 2020-12-29

Added

• block_on() function to execute a future on a thread.

Changed

• Renamed poll!() to race!()
• Separated non-array functionality of poll!() into new macro: `wait!().
• join!() no longer requires the futures to be pinned, as it can pin them itself.
• exec!() macro can no longer start multiple threads, but you can use it on multiple threads simultaneously. exec!() no longer takes a future, but an asynchronous expression that gets run in an infinite loop.

Removed

• prelude module.

... (truncated)

Commits

• 68e3589 Version 0.8.0
• 60c0d90 Merge branch 'main' of github.com:AldaronLau/pasts
• 87280ec Version 0.8.0 candidate.
• 62b66ff Squashed commit of the following:
• 471db31 Upgrade to GitHub-native Dependabot (#5)
• e49c264 Use Task type alias in counter example.
• 69373cd update cross-platform example code.
• 5bb2498 Clean up some code.
• ff357fc Add flag to determine whether executor should sleep.
• 2380863 Small cleanup
• Additional commits viewable in compare view

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[dependabot]

Superseded by #59.