Bump elixir

Author: samhamilton

.github/workflows/tests.yml

@@ -5,7 +5,7 @@ env:
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   MIX_ENV: test
 
-# https://github.com/elixir-lang/elixir/blob/master/lib/elixir/pages/compatibility-and-deprecations.md
+# https://github.com/elixir-lang/elixir/blob/main/lib/elixir/pages/references/compatibility-and-deprecations.md
 jobs:
   tests:
     runs-on: ubuntu-latest
@@ -14,7 +14,7 @@ jobs:
       - uses: erlef/setup-beam@v1
         with:
           otp-version: "27.x"
-          elixir-version: "1.17.x"
+          elixir-version: "1.18.x"
       - uses: actions/cache@v4
         with:
           path: |
@@ -36,6 +36,22 @@ jobs:
       - run: elixir --logger-sasl-reports true -S mix coveralls.json
       - uses: codecov/codecov-action@v5
 
+  elixir_1_18:
+    runs-on: ubuntu-latest
+    name: OTP ${{matrix.otp}} / Elixir ${{matrix.elixir}}
+    strategy:
+      matrix:
+        otp: [25.x, 26.x, 27.x]
+        elixir: [1.18.x]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: erlef/setup-beam@v1
+        with:
+          otp-version: ${{matrix.otp}}
+          elixir-version: ${{matrix.elixir}}
+      - run: mix do deps.get, compile --all-warnings --warnings-as-errors
+      - run: mix test
+
   elixir_1_17:
     runs-on: ubuntu-latest
     name: OTP ${{matrix.otp}} / Elixir ${{matrix.elixir}}

.tool-versions

@@ -1,11 +1,11 @@
 # https://github.com/elixir-lang/elixir/releases
 
-elixir 1.17.2-otp-27
+elixir 1.18.1-otp-27
 
 # https://github.com/erlang/otp/releases
 
-erlang 27.0
+erlang 27.2
 
 # https://nodejs.org/en
 
-nodejs 20.11.1
+nodejs 22.12.0