chore(deps): bump base64 from 0.12.1 to 0.12.3

Bumps [base64](https://github.com/marshallpierce/rust-base64) from 0.12.1 to 0.12.3.
- [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/v0.12.1...v0.12.3)

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

Cargo.lock

@@ -165,9 +165,9 @@ checksum = "b41b7ea54a0c9d92199de89e20e58d49f02f8e699814ef3fdf266f6f748d15c7"
 
 [[package]]
 name = "base64"
-version = "0.12.1"
+version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53d1ccbaf7d9ec9537465a97bf19edc1a4e158ecb49fc16178202238c569cc42"
+checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
 
 [[package]]
 name = "bech32"
@@ -3138,7 +3138,7 @@ version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3b82c9238b305f26f53443e3a4bc8528d64b8d0bee408ec949eb7bf5635ec680"
 dependencies = [
- "base64 0.12.1",
+ "base64 0.12.3",
  "bytes 0.5.4",
  "encoding_rs",
  "futures-core",
@@ -4096,7 +4096,7 @@ dependencies = [
 name = "solana-genesis"
 version = "1.3.0"
 dependencies = [
- "base64 0.12.1",
+ "base64 0.12.3",
  "chrono",
  "clap",
  "serde",

genesis/Cargo.toml

@@ -9,7 +9,7 @@ license = "Apache-2.0"
 homepage = "https://solana.com/"
 
 [dependencies]
-base64 = "0.12.0"
+base64 = "0.12.3"
 clap = "2.33.1"
 chrono = "0.4"
 serde = "1.0.112"