fix(@schematics/angular): change karma-jasmine-html-reporter dependency to use tilde

Older versions of `karma-jasmine-html-reporter` require `jasmine-core@>=3.8` which causes unmet peer dependencies errors when using NPM 7+

Closes #22217

Author: alan-agius4

packages/schematics/angular/workspace/files/package.json.template

@@ -35,7 +35,7 @@
     "karma-chrome-launcher": "~3.1.0",
     "karma-coverage-istanbul-reporter": "~3.0.2",
     "karma-jasmine": "~4.0.0",
-    "karma-jasmine-html-reporter": "^1.5.0",
+    "karma-jasmine-html-reporter": "~1.5.0",
     "protractor": "~7.0.0",<% } %>
     "ts-node": "~8.3.0",
     "tslint": "~6.1.0",