Bump tokio-retry2 from 0.5.6 to 0.5.7 in /generator (#29)

Bumps [tokio-retry2](https://github.com/naomijub/tokio-retry) from 0.5.6 to 0.5.7.
- [Changelog](https://github.com/naomijub/tokio-retry/blob/main/CHANGELOG.md)
- [Commits](https://github.com/naomijub/tokio-retry/commits)

---
updated-dependencies:
- dependency-name: tokio-retry2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

generator/Cargo.lock

@@ -1623,9 +1623,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-retry2"
-version = "0.5.6"
+version = "0.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "903934dba1c4c2f2e9cb460ef10b5695e0b0ecad3bf9ee7c8675e540c5e8b2d1"
+checksum = "1264d076dd34560544a2799e40e457bd07c43d30f4a845686b031bcd8455c84f"
 dependencies = [
  "pin-project",
  "tokio",