Bump github.com/Depado/ginprom from 1.8.0 to 1.8.1

Bumps [github.com/Depado/ginprom](https://github.com/Depado/ginprom) from 1.8.0 to 1.8.1.
- [Release notes](https://github.com/Depado/ginprom/releases)
- [Commits](depado/ginprom@v1.8.0...v1.8.1)

---
updated-dependencies:
- dependency-name: github.com/Depado/ginprom
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/Azure/azure-storage-blob-go v0.15.0
 	github.com/Azure/go-autorest/autorest/azure/auth v0.5.12
 	github.com/DATA-DOG/go-sqlmock v1.5.2
-	github.com/Depado/ginprom v1.8.0
+	github.com/Depado/ginprom v1.8.1
 	github.com/aws/aws-sdk-go v1.50.25
 	github.com/denisenkom/go-mssqldb v0.12.3
 	github.com/gin-gonic/gin v1.9.1