Bump github.com/gin-contrib/cors from 1.7.2 to 1.7.3 in /backend (#445)

Bumps [github.com/gin-contrib/cors](https://github.com/gin-contrib/cors) from 1.7.2 to 1.7.3.
- [Release notes](https://github.com/gin-contrib/cors/releases)
- [Changelog](https://github.com/gin-contrib/cors/blob/master/.goreleaser.yaml)
- [Commits](gin-contrib/cors@v1.7.2...v1.7.3)

---
updated-dependencies:
- dependency-name: github.com/gin-contrib/cors
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

backend/go.mod

@@ -3,7 +3,7 @@ module github.com/kyverno/policy-reporter-ui
 go 1.23.0
 
 require (
-	github.com/gin-contrib/cors v1.7.2
+	github.com/gin-contrib/cors v1.7.3
 	github.com/gin-contrib/gzip v1.1.0
 	github.com/gin-contrib/sessions v1.0.2
 	github.com/gin-contrib/zap v1.1.4

backend/go.sum

@@ -24,8 +24,8 @@ github.com/fxamacker/cbor/v2 v2.7.0 h1:iM5WgngdRBanHcxugY4JySA0nk1wZorNOpTgCMedv
 github.com/fxamacker/cbor/v2 v2.7.0/go.mod h1:pxXPTn3joSm21Gbwsv0w9OSA2y1HFR9qXEeXQVeNoDQ=
 github.com/gabriel-vasile/mimetype v1.4.7 h1:SKFKl7kD0RiPdbht0s7hFtjl489WcQ1VyPW8ZzUMYCA=
 github.com/gabriel-vasile/mimetype v1.4.7/go.mod h1:GDlAgAyIRT27BhFl53XNAFtfjzOkLaF35JdEG0P7LtU=
-github.com/gin-contrib/cors v1.7.2 h1:oLDHxdg8W/XDoN/8zamqk/Drgt4oVZDvaV0YmvVICQw=
-github.com/gin-contrib/cors v1.7.2/go.mod h1:SUJVARKgQ40dmrzgXEVxj2m7Ig1v1qIboQkPDTQ9t2E=
+github.com/gin-contrib/cors v1.7.3 h1:hV+a5xp8hwJoTw7OY+a70FsL8JkVVFTXw9EcfrYUdns=
+github.com/gin-contrib/cors v1.7.3/go.mod h1:M3bcKZhxzsvI+rlRSkkxHyljJt1ESd93COUvemZ79j4=
 github.com/gin-contrib/gzip v1.1.0 h1:kVw7Nr9M+Z6Ch4qo7aGMbiqxDeyQFru+07MgAcUF62M=
 github.com/gin-contrib/gzip v1.1.0/go.mod h1:iHJXCup4CWiKyPUEl+GwkHjchl+YyYuMKbOCiXujPIA=
 github.com/gin-contrib/sessions v1.0.2 h1:UaIjUvTH1cMeOdj3in6dl+Xb6It8RiKRF9Z1anbUyCA=