build(deps): bump base64 from 0.13.1 to 0.20.0

Bumps [base64](https://github.com/marshallpierce/rust-base64) from 0.13.1 to 0.20.0.
- [Release notes](https://github.com/marshallpierce/rust-base64/releases)
- [Changelog](https://github.com/marshallpierce/rust-base64/blob/master/RELEASE-NOTES.md)
- [Commits](https://github.com/marshallpierce/rust-base64/compare/v0.13.1...v0.20.0)

---
updated-dependencies:
- dependency-name: base64
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Cargo.lock

@@ -194,6 +194,12 @@ version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
+[[package]]
+name = "base64"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ea22880d78093b0cbe17c89f64a7d457941e65759157ec6cb31a31d652b05e5"
+
 [[package]]
 name = "bindgen"
 version = "0.61.0"
@@ -3367,7 +3373,7 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "300a51053b1cb55c80b7a9fde4120726ddf25ca241a1cbb926626f62fb136bff"
 dependencies = [
- "base64",
+ "base64 0.13.1",
  "bitflags",
  "serde",
 ]
@@ -3592,7 +3598,7 @@ dependencies = [
 name = "ruffle_web"
 version = "0.1.0"
 dependencies = [
- "base64",
+ "base64 0.20.0",
  "chrono",
  "console_error_panic_hook",
  "console_log",

web/Cargo.toml

@@ -45,7 +45,7 @@ chrono = { version = "0.4", default-features = false, features = ["wasmbind", "c
 getrandom = { version = "0.2", features = ["js"] }
 serde = { version = "1.0.150", features = ["derive"] }
 thiserror = "1.0"
-base64 = "0.13.1"
+base64 = "0.20.0"
 
 [dependencies.ruffle_core]
 path = "../core"