Bump headers from 0.3.2 to 0.3.3

Bumps [headers](https://github.com/hyperium/headers) from 0.3.2 to 0.3.3.
- [Release notes](https://github.com/hyperium/headers/releases)
- [Commits](https://github.com/hyperium/headers/compare/headers-v0.3.2...headers-v0.3.3)

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

Cargo.lock

@@ -1115,13 +1115,13 @@ dependencies = [
 
 [[package]]
 name = "headers"
-version = "0.3.2"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed18eb2459bf1a09ad2d6b1547840c3e5e62882fa09b9a6a20b1de8e3228848f"
+checksum = "62689dc57c7456e69712607ffcbd0aa1dfcccf9af73727e9b25bc1825375cac3"
 dependencies = [
- "base64 0.12.3",
+ "base64 0.13.0",
  "bitflags",
- "bytes 0.5.6",
+ "bytes 1.0.0",
  "headers-core",
  "http",
  "mime",

Cargo.toml

@@ -34,7 +34,7 @@ pulldown-cmark = "0.8.0"
 html5ever = "0.25"
 markup5ever = "0.10"
 markup5ever_rcdom = "0.1"
-headers = "0.3.2"
+headers = "0.3.3"
 derive_builder = "0.9.0"
 deadpool = "0.7.0"
 shellexpand = "2.1.0"