chore: bump version to 9.0.0-rc.4 w/ changelog (#17793)

Author: jelbourn

CHANGELOG.md

@@ -1,3 +1,12 @@
+# 9.0.0-rc.4 "samite-semicolon" (2019-11-22)
+
+### material
+
+|            |                       |
+| ---------- | --------------------- |
+| bug fix |  **schematics:** do not depend on external dependency for colors ([#17788](https://github.com/angular/components/issues/17788)) ([e02bb82](https://github.com/angular/components/commit/e02bb82)) |
+
+
 # 9.0.0-rc.3 "chocolate-chipmonk" (2019-11-20)
 
 ### cdk

package.json

@@ -40,7 +40,7 @@
     "tslint": "tslint -c tslint.json --project ./tsconfig.json",
     "stylelint": "stylelint \"src/**/*.+(css|scss)\" --config .stylelintrc.json --syntax scss"
   },
-  "version": "9.0.0-rc.3",
+  "version": "9.0.0-rc.4",
   "dependencies": {
     "@angular/animations": "^9.0.0-rc.3",
     "@angular/common": "^9.0.0-rc.3",