Update dependency ember-infinity to v2.1.2 (#1573)

* Update dependency ember-infinity to v2.1.2
* updated gh-infinity-loader template to match ember-infinity default template

Co-authored-by: Renovate Bot <bot@renovateapp.com>
Co-authored-by: Kevin Ansfield <kevin@lookingsideways.co.uk>

app/templates/components/gh-infinity-loader.hbs

@@ -1,7 +1,6 @@
 {{#if this.isVisible}}
     <div
         {{did-insert this.didInsertLoader this}}
-        {{will-destroy this.willDestroyLoader this}}
         class="{{this.loaderClassNames}}{{if this.viewportEntered " in-viewport"}}{{if this.isDoneLoading " reached-infinity"}}"
         data-test-infinity-loader>
 

package.json

@@ -80,7 +80,7 @@
     "ember-export-application-global": "2.0.1",
     "ember-fetch": "8.0.1",
     "ember-in-viewport": "3.5.8",
-    "ember-infinity": "2.1.1",
+    "ember-infinity": "2.1.2",
     "ember-load": "0.0.17",
     "ember-load-initializers": "2.1.1",
     "ember-mocha": "0.16.2",

yarn.lock

@@ -5929,10 +5929,10 @@ ember-in-viewport@3.5.8, ember-in-viewport@~3.0.0, ember-in-viewport@~3.7.2:
     intersection-observer-admin "~0.2.5"
     raf-pool "0.1.0"
 
-ember-infinity@2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/ember-infinity/-/ember-infinity-2.1.1.tgz#ef1e5f25099696ac254c179a79c815afb7d36b48"
-  integrity sha512-tJrSYqcZCT0quLeu+IoXy46TAMaFtTRPF0jgHgKfa9xP4NvHDqENwdLpMewlkS4vbs3SCkxo4yBtQw5JG9GuEw==
+ember-infinity@2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/ember-infinity/-/ember-infinity-2.1.2.tgz#74eb09554d7e500979b7fe24a4843ecca5baf435"
+  integrity sha512-SgNGGyMp0oWWObcVpK1K9ztcz7bjXeR0wRMo38hgJlk5Vuj4jb4JdeV4500YCFGuQzTgAR9y5xSJ3v/q1IxXAg==
   dependencies:
     "@ember/render-modifiers" "^1.0.2"
     ember-cli-babel "~7.11.0"