fix(timestream): magneticStoreWriteProperties and retentionProperties…

… not working as Json (aws#23425)

Fixes aws#23404 


----

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### Adding new Construct Runtime Dependencies:

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### New Features

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packages/@aws-cdk/cfnspec/spec-source/specification/000_cfn/906_TimeStream_JsonTypes_patch.json

@@ -0,0 +1,29 @@
+{
+  "ResourceTypes": {
+    "AWS::Timestream::Table": {
+      "patch": {
+        "description": "These types were once typed as Json, and adding types now is a breaking change. Keep them as Json forever.",
+        "operations": [
+          {
+            "op": "remove",
+            "path": "/Properties/MagneticStoreWriteProperties/Type"
+          },
+          {
+            "op": "add",
+            "path": "/Properties/MagneticStoreWriteProperties/PrimitiveType",
+            "value": "Json"
+          },
+          {
+            "op": "remove",
+            "path": "/Properties/RetentionProperties/Type"
+          },
+          {
+            "op": "add",
+            "path": "/Properties/RetentionProperties/PrimitiveType",
+            "value": "Json"
+          }
+        ]
+      }
+    }
+  }
+}