Bump arc-swap from 1.3.0 to 1.5.0 (#3766)

Bumps [arc-swap](https://github.com/vorner/arc-swap) from 1.3.0 to 1.5.0.
- [Release notes](https://github.com/vorner/arc-swap/releases)
- [Changelog](https://github.com/vorner/arc-swap/blob/master/CHANGELOG.md)
- [Commits](vorner/arc-swap@v1.3.0...v1.5.0)

---
updated-dependencies:
- dependency-name: arc-swap
  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>

jormungandr/Cargo.toml

@@ -23,7 +23,7 @@ chain-vote = { git = "https://github.com/input-output-hk/chain-libs.git", branch
 cardano-legacy-address = { git = "https://github.com/input-output-hk/chain-libs.git", branch = "master" }
 imhamt = { git = "https://github.com/input-output-hk/chain-libs.git", branch = "master" }
 
-arc-swap = "^1.1.0"
+arc-swap = "^1.5.0"
 async-trait = "0.1.51"
 async-graphql = "2.5.1"
 async-graphql-warp = "2.9.5"