Update endpoints model

Author: AWS SDK for Go v2 automation user

codegen/smithy-aws-go-codegen/src/main/resources/software/amazon/smithy/aws/go/codegen/endpoints.json

@@ -4267,6 +4267,16 @@
           }
         }
       },
+      "cost-optimization-hub" : {
+        "endpoints" : {
+          "us-east-1" : {
+            "credentialScope" : {
+              "region" : "us-east-1"
+            },
+            "hostname" : "cost-optimization-hub.us-east-1.amazonaws.com"
+          }
+        }
+      },
       "cur" : {
         "endpoints" : {
           "us-east-1" : { }
@@ -20815,6 +20825,12 @@
           }
         }
       },
+      "arc-zonal-shift" : {
+        "endpoints" : {
+          "us-gov-east-1" : { },
+          "us-gov-west-1" : { }
+        }
+      },
       "athena" : {
         "endpoints" : {
           "fips-us-gov-east-1" : {
@@ -25443,8 +25459,66 @@
       },
       "rds" : {
         "endpoints" : {
-          "us-iso-east-1" : { },
-          "us-iso-west-1" : { }
+          "rds-fips.us-iso-east-1" : {
+            "credentialScope" : {
+              "region" : "us-iso-east-1"
+            },
+            "deprecated" : true,
+            "hostname" : "rds-fips.us-iso-east-1.c2s.ic.gov"
+          },
+          "rds-fips.us-iso-west-1" : {
+            "credentialScope" : {
+              "region" : "us-iso-west-1"
+            },
+            "deprecated" : true,
+            "hostname" : "rds-fips.us-iso-west-1.c2s.ic.gov"
+          },
+          "rds.us-iso-east-1" : {
+            "credentialScope" : {
+              "region" : "us-iso-east-1"
+            },
+            "deprecated" : true,
+            "variants" : [ {
+              "hostname" : "rds-fips.us-iso-east-1.c2s.ic.gov",
+              "tags" : [ "fips" ]
+            } ]
+          },
+          "rds.us-iso-west-1" : {
+            "credentialScope" : {
+              "region" : "us-iso-west-1"
+            },
+            "deprecated" : true,
+            "variants" : [ {
+              "hostname" : "rds-fips.us-iso-west-1.c2s.ic.gov",
+              "tags" : [ "fips" ]
+            } ]
+          },
+          "us-iso-east-1" : {
+            "variants" : [ {
+              "hostname" : "rds-fips.us-iso-east-1.c2s.ic.gov",
+              "tags" : [ "fips" ]
+            } ]
+          },
+          "us-iso-east-1-fips" : {
+            "credentialScope" : {
+              "region" : "us-iso-east-1"
+            },
+            "deprecated" : true,
+            "hostname" : "rds-fips.us-iso-east-1.c2s.ic.gov"
+          },
+          "us-iso-west-1" : {
+            "variants" : [ {
+              "hostname" : "rds-fips.us-iso-west-1.c2s.ic.gov",
+              "tags" : [ "fips" ]
+            } ]
+          },
+          "us-iso-west-1-fips" : {
+            "credentialScope" : {
+              "region" : "us-iso-west-1"
+            },
+            "deprecated" : true,
+            "hostname" : "rds-fips.us-iso-west-1.c2s.ic.gov"
+          }
         }
       },
       "redshift" : {
@@ -25954,7 +26028,36 @@
       },
       "rds" : {
         "endpoints" : {
-          "us-isob-east-1" : { }
+          "rds-fips.us-isob-east-1" : {
+            "credentialScope" : {
+              "region" : "us-isob-east-1"
+            },
+            "deprecated" : true,
+            "hostname" : "rds-fips.us-isob-east-1.sc2s.sgov.gov"
+          },
+          "rds.us-isob-east-1" : {
+            "credentialScope" : {
+              "region" : "us-isob-east-1"
+            },
+            "deprecated" : true,
+            "variants" : [ {
+              "hostname" : "rds-fips.us-isob-east-1.sc2s.sgov.gov",
+              "tags" : [ "fips" ]
+            } ]
+          },
+          "us-isob-east-1" : {
+            "variants" : [ {
+              "hostname" : "rds-fips.us-isob-east-1.sc2s.sgov.gov",
+              "tags" : [ "fips" ]
+            } ]
+          },
+          "us-isob-east-1-fips" : {
+            "credentialScope" : {
+              "region" : "us-isob-east-1"
+            },
+            "deprecated" : true,
+            "hostname" : "rds-fips.us-isob-east-1.sc2s.sgov.gov"
+          }
         }
       },
       "redshift" : {