Bump diesel from 2.2.0 to 2.2.3 in /examples

Bumps [diesel](https://github.com/diesel-rs/diesel) from 2.2.0 to 2.2.3.
- [Release notes](https://github.com/diesel-rs/diesel/releases)
- [Changelog](https://github.com/diesel-rs/diesel/blob/main/CHANGELOG.md)
- [Commits](diesel-rs/diesel@v2.2.0...v2.2.3)

---
updated-dependencies:
- dependency-name: diesel
  dependency-version: 2.2.3
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

aptos-indexer-processors-sdk/Cargo.toml

@@ -41,7 +41,7 @@ clap = { version = "4.3.5", features = ["derive", "unstable-styles"] }
 # Do NOT enable the postgres feature here, it is conditionally enabled in a feature
 # block in the Cargo.toml file for the processor crate.
 # https://github.com/aptos-labs/aptos-indexer-processors/pull/325
-diesel = { version = "=2.2.0", features = [
+diesel = { version = "=2.2.3", features = [
     "chrono",
     "postgres_backend",
     "numeric",

examples/Cargo.lock

@@ -21,7 +21,7 @@ aptos-indexer-processor-sdk = { path = "../aptos-indexer-processors-sdk/sdk", fe
 anyhow = "1.0.86"
 async-trait = "0.1.80"
 clap = { version = "4.3.5", features = ["derive", "unstable-styles"] }
-diesel = { version = "=2.2.0", features = [
+diesel = { version = "=2.2.3", features = [
     "chrono",
     "postgres_backend",
     "numeric",