deps: Downgrade github.com/getkin/kin-openapi v0.124.0 => v0.123.0

We have received reports from users of Hugo's `openapi3.Unmarshal` about breaking behavior in the mentioned `kin-openapi` version, so revert for now, pending further investigation.

go.mod

@@ -30,7 +30,7 @@ require (
 	github.com/fortytw2/leaktest v1.3.0
 	github.com/frankban/quicktest v1.14.6
 	github.com/fsnotify/fsnotify v1.7.0
-	github.com/getkin/kin-openapi v0.124.0
+	github.com/getkin/kin-openapi v0.123.0
 	github.com/ghodss/yaml v1.0.0
 	github.com/gobuffalo/flect v1.0.2
 	github.com/gobwas/glob v0.2.3

go.sum

@@ -193,6 +193,8 @@ github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHk
 github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
 github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
 github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
+github.com/getkin/kin-openapi v0.123.0 h1:zIik0mRwFNLyvtXK274Q6ut+dPh6nlxBp0x7mNrPhs8=
+github.com/getkin/kin-openapi v0.123.0/go.mod h1:wb1aSZA/iWmorQP9KTAS/phLj/t17B5jT7+fS8ed9NM=
 github.com/getkin/kin-openapi v0.124.0 h1:VSFNMB9C9rTKBnQ/fpyDU8ytMTr4dWI9QovSKj9kz/M=
 github.com/getkin/kin-openapi v0.124.0/go.mod h1:wb1aSZA/iWmorQP9KTAS/phLj/t17B5jT7+fS8ed9NM=
 github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=