Update .github/dependabot.yml

Author: rwjblue

.github/dependabot.yml

@@ -8,21 +8,3 @@ updates:
     timezone: America/New_York
   open-pull-requests-limit: 10
   versioning-strategy: increase
-  ignore:
-  - dependency-name: fs-extra
-    versions:
-    - 9.0.1
-    - 9.1.0
-  - dependency-name: execa
-    versions:
-    - 5.0.0
-  - dependency-name: eslint
-    versions:
-    - 7.16.0
-    - 7.19.0
-  - dependency-name: prettier
-    versions:
-    - 2.2.1
-  - dependency-name: ember-template-recast
-    versions:
-    - 5.0.1