build(deps): bump spl-pod from 0.7.1 to 0.8.0 (#596)

Bumps [spl-pod](https://github.com/solana-program/libraries) from 0.7.1 to 0.8.0.
- [Release notes](https://github.com/solana-program/libraries/releases)
- [Commits](https://github.com/solana-program/libraries/compare/pod@v0.7.1...pod@v0.8.0)

---
updated-dependencies:
- dependency-name: spl-pod
  dependency-version: 0.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -39,7 +39,7 @@ solana-stake-interface = { version = "2.0.0", features = ["bincode", "borsh"] }
 solana-sysvar-id = "3.0.0"
 solana-sysvar = { version = "4.0.0", features = ["bincode"] }
 solana-system-interface = { version = "3.1.0", features = ["bincode"] }
-spl-pod = { version = "0.7.1", features = [
+spl-pod = { version = "0.8.0", features = [
   "borsh",
 ] }
 spl-token-2022-interface = "2.1.0"