add Elixir 1.18 in CI (#3605)

Author: SteffenDE

.github/workflows/assets.yml

@@ -10,8 +10,8 @@ jobs:
   build:
     runs-on: ubuntu-22.04
     env:
-      elixir: 1.17.2
-      otp: 27.0
+      elixir: 1.18.1
+      otp: 27.2
     steps:
       - name: Checkout
         uses: actions/checkout@v4

.github/workflows/ci.yml

@@ -23,8 +23,8 @@ jobs:
             otp: 26.2
 
           # update coverage report as well
-          - elixir: 1.17.2
-            otp: 27.0
+          - elixir: 1.18.1
+            otp: 27.2
             lint: lint
 
           # run against latest Elixir to catch warnings early
@@ -97,8 +97,8 @@ jobs:
     strategy:
       matrix:
         include:
-          - elixir: 1.17.2
-            otp: 27.0
+          - elixir: 1.18.1
+            otp: 27.2
 
     runs-on: ubuntu-latest
     steps:
@@ -156,8 +156,8 @@ jobs:
     strategy:
       matrix:
         include:
-          - elixir: 1.17.2
-            otp: 27.0
+          - elixir: 1.18.1
+            otp: 27.2
 
     runs-on: ubuntu-latest
     container:
@@ -242,14 +242,14 @@ jobs:
       - name: Set up Elixir
         uses: erlef/setup-beam@v1
         with:
-          elixir-version: 1.17.2
-          otp-version: 27.0
+          elixir-version: 1.18.1
+          otp-version: 27.2
 
       - name: Download mix unit coverage
         uses: actions/download-artifact@v4
         with:
           # This needs to be updated when changing the test matrix
-          name: mix-test-coverage-27-1.17.2
+          name: mix-test-coverage-27.2-1.18.1
           path: cover/
 
       - name: Download mix e2e coverage
@@ -264,9 +264,9 @@ jobs:
           path: |
             deps
             _build
-          key: deps-${{ runner.os }}-27-1.17.2-${{ hashFiles('**/mix.lock') }}
+          key: deps-${{ runner.os }}-27.2-1.18.1-${{ hashFiles('**/mix.lock') }}
           restore-keys: |
-            deps-${{ runner.os }}-27-1.17.2
+            deps-${{ runner.os }}-27.2-1.18.1
 
       - name: Generate mix coverage report
         run: mix test.coverage