Bump parity-scale-codec from 3.1.2 to 3.1.5 (#5720)

Bumps [parity-scale-codec](https://github.com/paritytech/parity-scale-codec) from 3.1.2 to 3.1.5.
- [Release notes](https://github.com/paritytech/parity-scale-codec/releases)
- [Changelog](https://github.com/paritytech/parity-scale-codec/blob/master/CHANGELOG.md)
- [Commits](https://github.com/paritytech/parity-scale-codec/compare/parity-scale-codec-3.1.2...parity-scale-codec-3.1.5)

---
updated-dependencies:
- dependency-name: parity-scale-codec
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

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

polkadot/parachain/test-parachains/adder/Cargo.toml

@@ -8,7 +8,7 @@ build = "build.rs"
 
 [dependencies]
 parachain = { package = "polkadot-parachain", path = "../../", default-features = false, features = [ "wasm-api" ] }
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 sp-std = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 tiny-keccak = { version = "2.0.2", features = ["keccak"] }
 dlmalloc = { version = "0.2.3", features = [ "global" ] }

polkadot/parachain/test-parachains/adder/collator/Cargo.toml

@@ -14,7 +14,7 @@ name = "adder_collator_puppet_worker"
 path = "bin/puppet_worker.rs"
 
 [dependencies]
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 clap = { version = "3.1", features = ["derive"] }
 futures = "0.3.21"
 futures-timer = "3.0.2"