chore(deps): bump postgres-protocol from 0.6.4 to 0.6.5 (#391)

Bumps [postgres-protocol](https://github.com/sfackler/rust-postgres) from 0.6.4 to 0.6.5.
- [Release notes](https://github.com/sfackler/rust-postgres/releases)
- [Commits](https://github.com/sfackler/rust-postgres/compare/postgres-protocol-v0.6.4...postgres-protocol-v0.6.5)

---
updated-dependencies:
- dependency-name: postgres-protocol
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.lock

@@ -54,12 +54,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
-[[package]]
-name = "base64"
-version = "0.13.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
-
 [[package]]
 name = "base64"
 version = "0.21.0"
@@ -750,7 +744,7 @@ dependencies = [
  "arc-swap",
  "async-trait",
  "atomic_enum",
- "base64 0.21.0",
+ "base64",
  "bb8",
  "bytes",
  "chrono",
@@ -840,11 +834,11 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
 name = "postgres-protocol"
-version = "0.6.4"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "878c6cbf956e03af9aa8204b407b9cbf47c072164800aa918c516cd4b056c50c"
+checksum = "78b7fa9f396f51dffd61546fd8573ee20592287996568e6175ceb0f8699ad75d"
 dependencies = [
- "base64 0.13.1",
+ "base64",
  "byteorder",
  "bytes",
  "fallible-iterator",
@@ -983,7 +977,7 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d194b56d58803a43635bdc398cd17e383d6f71f9182b9a192c127ca42494a59b"
 dependencies = [
- "base64 0.21.0",
+ "base64",
 ]
 
 [[package]]