Update futures requirement from 0.1 to 0.3 in /vault-api

[dependabot]

Updates the requirements on futures to permit the latest version.

Release notes

Sourced from futures's releases.

0.3.14

• Add future::SelectAll::into_inner (#2363)
• Allow calling UnboundedReceiver::try_next after None (#2369)
• Reexport non-Ext traits from the root of futures_util (#2377)
• Add AsyncSeekExt::stream_position (#2380)
• Add stream::Peekable::{next_if, next_if_eq} (#2379)

Changelog

Sourced from futures's changelog.

0.3.14 - 2021-04-10

• Add future::SelectAll::into_inner (#2363)
• Allow calling UnboundedReceiver::try_next after None (#2369)
• Reexport non-Ext traits from the root of futures_util (#2377)
• Add AsyncSeekExt::stream_position (#2380)
• Add stream::Peekable::{next_if, next_if_eq} (#2379)

0.3.13 - 2021-02-23

• Mitigated starvation issues in FuturesUnordered (#2333)
• Fixed race with dropping mpsc::Receiver (#2304)
• Added Shared::{strong_count, weak_count} (#2346)
• Added no_std support for task::noop_waker_ref (#2332)
• Implemented Stream::size_hint for Either (#2325)

0.3.12 - 2021-01-15

• Fixed Unpin impl of future::{MaybeDone, TryMaybeDone} where trait bounds were accidentally added in 0.3.9. (#2317)

0.3.11 - 2021-01-14

• Fixed heap buffer overflow in AsyncReadExt::{read_to_end, read_to_string} (#2314)

0.3.10 - 2021-01-13

• Fixed type-inference in sink::unfold by specifying more of its types (breaking change -- see #2311)

0.3.9 - 2021-01-08

• Significantly improved compile time when async-await crate feature is disabled (#2273)
• Added stream::repeat_with (#2279)
• Added StreamExt::unzip (#2263)
• Added sink::unfold (#2268)
• Added SinkExt::feed (#2155)
• Implemented FusedFuture for oneshot::Receiver (#2300)
• Implemented Clone for sink::With (#2290)
• Re-exported MapOkOrElse, MapInto, OkInto, TryFlatten, WriteAllVectored (#2275)

0.3.8 - 2020-11-04

• Switched proc-macros to use native #[proc_macro] at Rust 1.45+ (#2243)
• Added WeakShared (#2169)
• Added TryStreamExt::try_buffered (#2245)
• Added StreamExt::cycle (#2252)
• Implemented Clone for stream::{Empty, Pending, Repeat, Iter} (#2248, #2252)
• Fixed panic in some TryStreamExt combinators (#2250)

0.3.7 - 2020-10-23

• Fixed unsoundness in MappedMutexGuard (#2240)
• Re-exported TakeUntil (#2235)
• futures-test: Prevent double panic in panic_waker (#2236)

0.3.6 - 2020-10-06

• Fixed UB due to missing 'static on task::waker (#2206)
• Added AsyncBufReadExt::fill_buf (#2225)
• Added TryStreamExt::try_take_while (#2212)

... (truncated)

Commits

• 8aecdeb Release 0.3.14
• 071a434 Link to modules instead of traits
• e0d378f Add stream::Peekable::{next_if, next_if_eq}
• a4a0e05 Add AsyncSeekExt::stream_position
• 698e09a Reexport non-Ext traits from the root of futures_util
• 4834780 Remove empty line from futures example
• e21659e Add Receiver::try_next return value descriptions
• caae228 Allow calling UnboundedReceiver::try_next after None
• 53313b7 Add .editorconfig
• 343e6c5 Document results of UnboundedReceiver::try_next
• Additional commits viewable in compare view

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