Bump tokio from 0.2.13 to 1.9.0 in /exonum-java-binding/core/rust

[dependabot-preview[bot]]

Bumps tokio from 0.2.13 to 1.9.0.

Release notes

Sourced from tokio's releases.

Tokio v1.9.0

1.9.0 (July 19, 2021)

Added

• net: allow customized I/O operations for TcpStream (#3888)
• sync: add getter for the mutex from a guard (#3928)
• task: expose nameable future for TaskLocal::scope (#3273)

Fixed

• Fix leak if output of future panics on drop (#3967)
• Fix leak in LocalSet (#3978)

Changes

• runtime: reorganize parts of the runtime (#3909, #3939, #3950, #3955, #3980)
• sync: clean up OnceCell (#3945)
• task: remove mutex in JoinError (#3959)

#3273: tokio-rs/tokio#3273 #3888: tokio-rs/tokio#3888 #3909: tokio-rs/tokio#3909 #3928: tokio-rs/tokio#3928 #3934: tokio-rs/tokio#3934 #3939: tokio-rs/tokio#3939 #3945: tokio-rs/tokio#3945 #3950: tokio-rs/tokio#3950 #3955: tokio-rs/tokio#3955 #3959: tokio-rs/tokio#3959 #3967: tokio-rs/tokio#3967 #3978: tokio-rs/tokio#3978 #3980: tokio-rs/tokio#3980

Tokio v1.8.3

1.8.3 (July 22, 2021)

This release backports two fixes from 1.9.0

Fixed

• Fix leak if output of future panics on drop (#3967)
• Fix leak in LocalSet (#3978)

#3967: tokio-rs/tokio#3967 #3978: tokio-rs/tokio#3978

Tokio 1.8.2

Fixes a missed edge case from 1.8.1.

... (truncated)

Commits

• b280c6d chore: prepare Tokio v1.9.0 (#3961)
• 998dc5a task: fix leak in LocalSet (#3978)
• ced7992 runtime: add large test and fix leak it found (#3967)
• 0cefa85 runtime: make scheduler non-optional (#3980)
• 2087f3e runtime: rework binding of new tasks (#3955)
• 5ae2855 io: fix docs referring to clear_{read,write}_ready (#3957)
• 2520048 sync: add getter for the mutex from a guard (#3928)
• 549e89e chore: use the loom mutex wrapper everywhere (#3958)
• c8fc492 Merge remote-tracking branch 'origin/tokio-1.8.x' into merge-1.8
• 7147042 chore: prepare Tokio v1.8.2 release
• Additional commits viewable in compare view

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