Update schema pack to 2021.4

Update the script to point to 2021.4.

Tested: built for evb-ast2500, ran Redfish Service Validator:
                             BASE    2021.4
metadataNamespaces:          2330      2388
pass:                        3239      3249
passAction:                     8         8
passGet:                      120       121
passRedfishUri:               114       115
skipNoSchema:                   3         3
skipOptional:                2180      2184
unverifiedAdditional.complex:   2         0
warnDeprecated:               315       315
warningPresent:                12        11
Validation has:         succeeded succeeded

Saw new schemas:
curl -k https://$bmc/redfish/v1/JsonSchemas/Manager/Manager.json
...
    "title": "#Manager.v1_14_0.Manager"
}

Signed-off-by: Sui Chen <suichen@google.com>
Change-Id: I6560ec010362df28e264d80452059b534b3f89ba
diff --git a/static/redfish/v1/JsonSchemas/Drive/Drive.json b/static/redfish/v1/JsonSchemas/Drive/Drive.json
index 2c8056b..c60fe7f 100644
--- a/static/redfish/v1/JsonSchemas/Drive/Drive.json
+++ b/static/redfish/v1/JsonSchemas/Drive/Drive.json
@@ -1,5 +1,5 @@
 {
-    "$id": "http://redfish.dmtf.org/schemas/v1/Drive.v1_13_0.json",
+    "$id": "http://redfish.dmtf.org/schemas/v1/Drive.v1_14_0.json",
     "$ref": "#/definitions/Drive",
     "$schema": "http://redfish.dmtf.org/schemas/v1/redfish-schema-v1.json",
     "copyright": "Copyright 2014-2021 DMTF. For the full DMTF copyright policy, see http://www.dmtf.org/about/policies/copyright",
@@ -268,13 +268,15 @@
                     ]
                 },
                 "Measurements": {
+                    "deprecated": "This property has been deprecated in favor of the ComponentIntegrity resource.",
                     "description": "An array of DSP0274-defined measurement blocks.",
                     "items": {
                         "$ref": "http://redfish.dmtf.org/schemas/v1/SoftwareInventory.json#/definitions/MeasurementBlock"
                     },
                     "longDescription": "This property shall contain an array of DSP0274-defined measurement blocks.",
                     "type": "array",
-                    "versionAdded": "v1_12_0"
+                    "versionAdded": "v1_12_0",
+                    "versionDeprecated": "v1_14_0"
                 },
                 "MediaType": {
                     "anyOf": [
@@ -401,7 +403,7 @@
                         "number",
                         "null"
                     ],
-                    "units": "RPM"
+                    "units": "{rev}/min"
                 },
                 "SKU": {
                     "description": "The SKU for this drive.",
@@ -562,6 +564,19 @@
                 "Endpoints@odata.count": {
                     "$ref": "http://redfish.dmtf.org/schemas/v1/odata-v4.json#/definitions/count"
                 },
+                "NetworkDeviceFunctions": {
+                    "description": "An array of links to the network device functions that provide network connectivity for this drive.",
+                    "items": {
+                        "$ref": "http://redfish.dmtf.org/schemas/v1/NetworkDeviceFunction.json#/definitions/NetworkDeviceFunction"
+                    },
+                    "longDescription": "This property shall contain the array of links to resources of type NetworkDeviceFunction.  This property should only be present for drives with network connectivity, such as Ethernet attached drives.",
+                    "readonly": true,
+                    "type": "array",
+                    "versionAdded": "v1_14_0"
+                },
+                "NetworkDeviceFunctions@odata.count": {
+                    "$ref": "http://redfish.dmtf.org/schemas/v1/odata-v4.json#/definitions/count"
+                },
                 "Oem": {
                     "$ref": "http://redfish.dmtf.org/schemas/v1/Resource.json#/definitions/Oem",
                     "description": "The OEM extension property.",
@@ -792,6 +807,6 @@
         }
     },
     "owningEntity": "DMTF",
-    "release": "2021.2",
-    "title": "#Drive.v1_13_0.Drive"
+    "release": "2021.4",
+    "title": "#Drive.v1_14_0.Drive"
 }
\ No newline at end of file