build(deps): bump futures-task from 0.3.4 to 0.3.5

Bumps [futures-task](https://github.com/rust-lang/futures-rs) from 0.3.4 to 0.3.5.
- [Release notes](https://github.com/rust-lang/futures-rs/releases)
- [Changelog](https://github.com/rust-lang/futures-rs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/futures-rs/compare/0.3.4...0.3.5)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Cargo.lock

@@ -279,7 +279,7 @@ dependencies = [
  "futures-executor 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-io 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-sink 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-task 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-task 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-util 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -303,7 +303,7 @@ version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures-core 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-task 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-task 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-util 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -330,8 +330,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "futures-task"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "once_cell 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "futures-util"
@@ -343,7 +346,7 @@ dependencies = [
  "futures-io 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-macro 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-sink 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-task 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-task 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-utils 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro-hack 0.5.15 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1643,7 +1646,7 @@ dependencies = [
 "checksum futures-io 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "a638959aa96152c7a4cddf50fcb1e3fede0583b27157c26e67d6f99904090dc6"
 "checksum futures-macro 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "9a5081aa3de1f7542a794a397cde100ed903b0630152d0973479018fd85423a7"
 "checksum futures-sink 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "3466821b4bc114d95b087b850a724c6f83115e929bc88f1fa98a3304a944c8a6"
-"checksum futures-task 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "7b0a34e53cf6cdcd0178aa573aed466b646eb3db769570841fda0c7ede375a27"
+"checksum futures-task 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "bdb66b5f09e22019b1ab0830f7785bcea8e7a42148683f99214f73f8ec21a626"
 "checksum futures-util 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "22766cf25d64306bedf0384da004d05c9974ab104fcc4528f1236181c18004c5"
 "checksum generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c68f0274ae0e023facc3c97b2e00f076be70e254bc851d972503b328db79b2ec"
 "checksum getopts 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)" = "14dbbfd5c71d70241ecf9e6f13737f7b5ce823821063188d7e46c41d371eebd5"