Merge pull request sfackler#1112 from sfackler/dependabot/cargo/base64-0.22

Update base64 requirement from 0.21 to 0.22

Author: sfackler

postgres-protocol/Cargo.toml

@@ -13,7 +13,7 @@ default = []
 js = ["getrandom/js"]
 
 [dependencies]
-base64 = "0.21"
+base64 = "0.22"
 byteorder = "1.0"
 bytes = "1.0"
 fallible-iterator = "0.2"