chore(deps): bump github.com/aws/aws-sdk-go-v2/feature/rds/auth (#121)

Bumps [github.com/aws/aws-sdk-go-v2/feature/rds/auth](https://github.com/aws/aws-sdk-go-v2) from 1.4.18 to 1.4.21.
- [Release notes](https://github.com/aws/aws-sdk-go-v2/releases)
- [Commits](aws/aws-sdk-go-v2@feature/rds/auth/v1.4.18...feature/rds/auth/v1.4.21)

---
updated-dependencies:
- dependency-name: github.com/aws/aws-sdk-go-v2/feature/rds/auth
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

go.mod

@@ -15,7 +15,7 @@ require (
 	github.com/aws/aws-msk-iam-sasl-signer-go v1.0.0
 	github.com/aws/aws-sdk-go-v2 v1.32.2
 	github.com/aws/aws-sdk-go-v2/config v1.27.37
-	github.com/aws/aws-sdk-go-v2/feature/rds/auth v1.4.18
+	github.com/aws/aws-sdk-go-v2/feature/rds/auth v1.4.21
 	github.com/dgraph-io/ristretto v1.0.0
 	github.com/go-chi/chi/v5 v5.1.0
 	github.com/go-sql-driver/mysql v1.8.1

go.sum

@@ -38,8 +38,8 @@ github.com/aws/aws-sdk-go-v2/credentials v1.17.35 h1:7QknrZhYySEB1lEXJxGAmuD5sWw
 github.com/aws/aws-sdk-go-v2/credentials v1.17.35/go.mod h1:8Vy4kk7at4aPSmibr7K+nLTzG6qUQAUO4tW49fzUV4E=
 github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.14 h1:C/d03NAmh8C4BZXhuRNboF/DqhBkBCeDiJDcaqIT5pA=
 github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.14/go.mod h1:7I0Ju7p9mCIdlrfS+JCgqcYD0VXz/N4yozsox+0o078=
-github.com/aws/aws-sdk-go-v2/feature/rds/auth v1.4.18 h1:k51348zRERIvv01FflXAOQj50NeUiZUGOEedT4Vg+UE=
-github.com/aws/aws-sdk-go-v2/feature/rds/auth v1.4.18/go.mod h1:uybY6ESdxsT2dpzwSmpDgZJ3ekCYwVe/ZFYfAaXUbtU=
+github.com/aws/aws-sdk-go-v2/feature/rds/auth v1.4.21 h1:wRH9E07mfYqZ1EPphNTUIkrZ/7wcbZAGcjhrBlkWy4c=
+github.com/aws/aws-sdk-go-v2/feature/rds/auth v1.4.21/go.mod h1:6m/MDzT+aFxaIo46f2MYV4d+qG9J9keLlHL0qKnQFgA=
 github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.18 h1:kYQ3H1u0ANr9KEKlGs/jTLrBFPo8P8NaH/w7A01NeeM=
 github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.18/go.mod h1:r506HmK5JDUh9+Mw4CfGJGSSoqIiLCndAuqXuhbv67Y=
 github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.18 h1:Z7IdFUONvTcvS7YuhtVxN99v2cCoHRXOS4mTr0B/pUc=