Update CI version matrix

Author: mneudert

.github/workflows/dialyzer.yml

@@ -21,8 +21,8 @@ jobs:
         id: setup
         uses: erlef/setup-beam@v1
         with:
-          elixir-version: '1.15.2'
-          otp-version: '26.0'
+          elixir-version: '1.18.4'
+          otp-version: '28.0'
 
       - name: mix-cache
         uses: actions/cache@v3

.github/workflows/quality.yml

@@ -30,8 +30,8 @@ jobs:
         id: setup
         uses: erlef/setup-beam@v1
         with:
-          elixir-version: '1.15.2'
-          otp-version: '26.0'
+          elixir-version: '1.18.4'
+          otp-version: '28.0'
 
       - name: mix-cache
         uses: actions/cache@v3

.github/workflows/test.yml

@@ -25,8 +25,14 @@ jobs:
             otp: '24.3'
           - elixir: '1.14.5'
             otp: '25.3'
-          - elixir: '1.15.2'
-            otp: '26.0'
+          - elixir: '1.15.7'
+            otp: '26.2'
+          - elixir: '1.16.3'
+            otp: '26.2'
+          - elixir: '1.17.3'
+            otp: '27.3'
+          - elixir: '1.18.4'
+            otp: '28.0'
 
     env:
       MIX_ENV: test