ci: update format check workflow to use centralised reusable workflow

Additionally, move the format check workflow to a separate job, following
convention.

Author: thazhemadam

.github/workflows/FormatCheck.yml

@@ -0,0 +1,13 @@
+name: "Format Check"
+
+on:
+  push:
+    branches:
+      - 'master'
+    tags: '*'
+  pull_request:
+
+jobs:
+  format-check:
+    name: "Format Check"
+    uses: "SciML/.github/.github/workflows/format-check.yml@v1"

.github/workflows/Tests.yml

@@ -20,13 +20,8 @@ concurrency:
   cancel-in-progress: ${{ github.ref != 'refs/heads/master' }}
 
 jobs:
-  format-check:
-    name: "Format Check"
-    uses: "SciML/.github/.github/workflows/format-check.yml@v1"
-
   tests:
     name: "Tests"
-    needs: format-check
     strategy:
       fail-fast: false
       matrix: