build(deps): bump pin-project from 0.4.22 to 0.4.23

Bumps [pin-project](https://github.com/taiki-e/pin-project) from 0.4.22 to 0.4.23.
- [Release notes](https://github.com/taiki-e/pin-project/releases)
- [Changelog](https://github.com/taiki-e/pin-project/blob/master/CHANGELOG.md)
- [Commits](https://github.com/taiki-e/pin-project/compare/v0.4.22...v0.4.23)

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

Cargo.lock

@@ -1385,18 +1385,18 @@ dependencies = [
 
 [[package]]
 name = "pin-project"
-version = "0.4.22"
+version = "0.4.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12e3a6cdbfe94a5e4572812a0201f8c0ed98c1c452c7b8563ce2276988ef9c17"
+checksum = "ca4433fff2ae79342e497d9f8ee990d174071408f28f726d6d83af93e58e48aa"
 dependencies = [
  "pin-project-internal",
 ]
 
 [[package]]
 name = "pin-project-internal"
-version = "0.4.22"
+version = "0.4.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a0ffd45cf79d88737d7cc85bfd5d2894bee1139b356e616fe85dc389c61aaf7"
+checksum = "2c0e815c3ee9a031fdf5af21c10aa17c573c9c6a566328d99e3936c34e36461f"
 dependencies = [
  "proc-macro2 1.0.19",
  "quote 1.0.7",

tower-batch/Cargo.toml

@@ -9,7 +9,7 @@ edition = "2018"
 tokio = { version = "0.2.22", features = ["time", "sync", "stream", "tracing"] }
 tower = "0.3"
 futures-core = "0.3.5"
-pin-project = "0.4.20"
+pin-project = "0.4.23"
 tracing = "0.1.17"
 tracing-futures = "0.2.4"
 futures = "0.3.5"

tower-fallback/Cargo.toml

@@ -8,7 +8,7 @@ edition = "2018"
 [dependencies]
 tower = "0.3"
 futures-core = "0.3.5"
-pin-project = "0.4.20"
+pin-project = "0.4.23"
 tracing = "0.1"
 
 [dev-dependencies]