Redo workflow versioning

.github/workflows/on-push.yml

@@ -9,8 +9,15 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        otp: ["23.3.4.6"]
-        elixir: ["1.10.4", "1.11.4", "1.12.3", "1.13.4", "1.14.2"]
+        otp: [23.x, 24.x, 25.x]
+        elixir: [1.11.x, 1.12.x, 1.13.x, 1.14.x, 1.15.x]
+        exclude:
+          - otp: 25.x
+            elixir: 1.11.x
+          - otp: 25.x
+            elixir: 1.12.x
+          - otp: 23.x
+            elixir: 1.15.x
     steps:
       - uses: actions/checkout@v2
       - uses: erlef/setup-beam@v1
@@ -21,7 +28,7 @@ jobs:
       - run: mix deps.get
       - run: mix compile
       - run: mix format --check-formatted
-        if: matrix.elixir == '1.14.2' # Only check formatting with the latest verison
+        if: matrix.elixir == '1.15.x' # Only check formatting with the latest verison
       - run: mix dialyzer
-        if: matrix.elixir == '1.14.2'
+        if: matrix.elixir == '1.15.x'
       - run: mix test