build(deps): bump proc-macro-hack from 0.5.15 to 0.5.16

Bumps [proc-macro-hack](https://github.com/dtolnay/proc-macro-hack) from 0.5.15 to 0.5.16.
- [Release notes](https://github.com/dtolnay/proc-macro-hack/releases)
- [Commits](https://github.com/dtolnay/proc-macro-hack/compare/0.5.15...0.5.16)

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

Cargo.lock

@@ -327,7 +327,7 @@ name = "futures-macro"
 version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro-hack 0.5.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -360,7 +360,7 @@ dependencies = [
  "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-project 0.4.17 (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)",
+ "proc-macro-hack 0.5.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro-nested 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -940,7 +940,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "proc-macro-hack"
-version = "0.5.15"
+version = "0.5.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1798,7 +1798,7 @@ dependencies = [
 "checksum postgres-protocol 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3f611afe4d1407ebe7f3ced1ffc66f730fac1b1c13085e230a8cdcb921e97710"
 "checksum postgres-types 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e634590e8812c500088d88db721195979223dabb05149f43cb50931d0ff5865d"
 "checksum ppv-lite86 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "237a5ed80e274dbc66f86bd59c1e25edc039660be53194b5fe0a482e0f2612ea"
-"checksum proc-macro-hack 0.5.15 (registry+https://github.com/rust-lang/crates.io-index)" = "0d659fe7c6d27f25e9d80a1a094c223f5246f6a6596453e09d7229bf42750b63"
+"checksum proc-macro-hack 0.5.16 (registry+https://github.com/rust-lang/crates.io-index)" = "7e0456befd48169b9f13ef0f0ad46d492cf9d2dbb918bcf38e01eed4ce3ec5e4"
 "checksum proc-macro-nested 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8e946095f9d3ed29ec38de908c22f95d9ac008e424c7bcae54c75a79c527c694"
 "checksum proc-macro2 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)" = "de40dd4ff82d9c9bab6dae29dbab1167e515f8df9ed17d2987cb6012db206933"
 "checksum pulldown-cmark 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1c205cc82214f3594e2d50686730314f817c67ffa80fe800cf0db78c3c2b9d9e"