build(deps): bump flate2 from 1.0.21 to 1.0.22

Bumps [flate2](https://github.com/rust-lang/flate2-rs) from 1.0.21 to 1.0.22.
- [Release notes](https://github.com/rust-lang/flate2-rs/releases)
- [Commits](https://github.com/rust-lang/flate2-rs/compare/1.0.21...1.0.22)

---
updated-dependencies:
- dependency-name: flate2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Cargo.lock

@@ -1283,9 +1283,9 @@ dependencies = [
 
 [[package]]
 name = "flate2"
-version = "1.0.21"
+version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "80edafed416a46fb378521624fab1cfa2eb514784fd8921adbe8a8d8321da811"
+checksum = "1e6988e897c1c9c485f43b47a529cef42fde0547f9d8d41a7062518f1d8fc53f"
 dependencies = [
  "cfg-if 1.0.0",
  "crc32fast",

core/Cargo.toml

@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 byteorder = "1.4"
 bitstream-io = "1.2.0"
-flate2 = "1.0.21"
+flate2 = "1.0.22"
 fnv = "1.0.7"
 gc-arena = { git = "https://github.com/ruffle-rs/gc-arena" }
 gc-arena-derive = { git = "https://github.com/ruffle-rs/gc-arena" }