Bump base64 from 0.21.7 to 0.22.1 (#18589)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.lock

@@ -65,12 +65,6 @@ dependencies = [
  "windows-targets",
 ]
 
-[[package]]
-name = "base64"
-version = "0.21.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
-
 [[package]]
 name = "base64"
 version = "0.22.1"
@@ -371,7 +365,7 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b3314d5adb5d94bcdf56771f2e50dbbc80bb4bdf88967526706205ac9eff24eb"
 dependencies = [
- "base64 0.22.1",
+ "base64",
  "bytes",
  "headers-core",
  "http",
@@ -491,7 +485,7 @@ version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc2fdfdbff08affe55bb779f33b053aa1fe5dd5b54c257343c17edfa55711bdb"
 dependencies = [
- "base64 0.22.1",
+ "base64",
  "bytes",
  "futures-channel",
  "futures-core",
@@ -1059,7 +1053,7 @@ version = "0.12.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eabf4c97d9130e2bf606614eb937e86edac8292eaa6f422f995d7e8de1eb1813"
 dependencies = [
- "base64 0.22.1",
+ "base64",
  "bytes",
  "futures-core",
  "futures-util",
@@ -1333,7 +1327,7 @@ name = "synapse"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "base64 0.21.7",
+ "base64",
  "blake2",
  "bytes",
  "futures",