Move over CI upgrades from benchee

* 20.04 runners don't work any more
* better windows runner

see f.ex. bencheeorg/benchee#464

Author: PragTob

.github/workflows/main.yml

@@ -8,7 +8,7 @@ on: [pull_request, push]
 jobs:
   linux:
     name: Test on Ubuntu (Elixir ${{ matrix.elixir_version }}, OTP ${{ matrix.otp_version }})
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     strategy:
       matrix:
@@ -20,23 +20,28 @@ jobs:
         # We've been using enough of githubs CI resources and our own wait time :)
         #
         # https://hexdocs.pm/elixir/compatibility-and-deprecations.html#between-elixir-and-erlang-otp
+        #
+        # We're also further limited by the support the setup-beam action offers:
+        # https://github.com/erlef/setup-beam?tab=readme-ov-file#compatibility-between-operating-system-and-erlangotp
         include:
-          # Code should work down to elixir 1.7, but stream_data requires 1.12+ and I don't think it's worth my time to
-          # be conditionally including the library: https://github.com/whatyouhide/stream_data/blob/main/CHANGELOG.md#v110
-          - elixir_version: '1.12.3'
-            otp_version: '23.3'
-          - elixir_version: '1.13.4'
-            otp_version: '22.3'
-          - elixir_version: '1.14.5'
-            otp_version: '23.3'
-          - elixir_version: '1.15.7'
+          - elixir_version: '1.11'
+            otp_version: '24.3'
+          - elixir_version: '1.12'
             otp_version: '24.3'
-          - elixir_version: '1.16.3'
+          - elixir_version: '1.13'
             otp_version: '25.3'
-          - elixir_version: '1.17.3'
+          - elixir_version: '1.14'
+            otp_version: '25.3'
+          - elixir_version: '1.15'
+            otp_version: '26.2'
+          - elixir_version: '1.16'
             otp_version: '26.2'
-          - elixir_version: '1.18.1'
-            otp_version: '27.2'
+          - elixir_version: '1.17'
+            otp_version: '27.3'
+          - elixir_version: '1.18'
+            otp_version: '27.3'
+            type_check: true
+            lint: true
 
     steps:
       - name: Checkout
@@ -58,26 +63,27 @@ jobs:
         with:
           path: tools/plts
           key: erlef-${{ runner.os }}-dialyzer-${{ matrix.elixir_version }}-${{ matrix.otp_version }}-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}
-        if: contains(matrix.elixir_version, '1.18')
+        if: ${{ matrix.type_check }}
       - run: mix deps.get
       - run: MIX_ENV=test mix compile --warnings-as-errors
       - run: mix credo
-        if: contains(matrix.elixir_version, '1.18')
+        if: ${{ matrix.lint }}
       - name: Check if formatted
-        if: contains(matrix.elixir_version, '1.18')
+        if: ${{ matrix.lint }}
         run: mix format --check-formatted
       - name: Actual Tests
         # this will let warnings slip through but I don't wanna replicate all that magic
         # right now
         run: MIX_ENV=test mix coveralls.github || mix test --failed
         # Apparently the one with `!` can't go without the fancy expression syntax
-        if: ${{ !contains(matrix.elixir_version, '1.18') }}
+        if: ${{ !matrix.lint }}
+        # warnings as errors is a form of linting!
       - name: Actual Tests WITH warnings as errors
         run: MIX_ENV=test mix coveralls.github --warnings-as-errors || mix test --failed
-        if: contains(matrix.elixir_version, '1.18')
+        if: ${{ matrix.lint }}
       - name: Dialyzer
         run: mix dialyzer --halt-exit-status
-        if: contains(matrix.elixir_version, '1.18')
+        if: ${{ matrix.type_check }}
 
   macos:
     name: Test on MacOS
@@ -104,29 +110,17 @@ jobs:
 
   windows:
     name: Test on Windows
-    runs-on: windows-latest
+    runs-on: windows-2022
 
     steps:
       - name: Checkout
         uses: actions/checkout@v3
-      - name: Restore chocolatey
-        uses: actions/cache@v3
+      - name: Setup Elixir
+        uses: erlef/setup-beam@v1
         with:
-          path: C:\Users\runneradmin\AppData\Local\Temp\chocolatey
-          key: ${{ runner.os }}-chocolatey-${{ github.sha }}
-          restore-keys: |
-            ${{ runner.os }}-chocolatey-
-      - name: Install Elixir
-        run: |
-          choco install elixir --version=1.14.2 --no-progress
-          set MIX_ENV=test
-          echo "C:\ProgramData\chocolatey\lib\Elixir\bin;C:\ProgramData\chocolatey\bin;C:\ProgramData\chocolatey\lib\Elixir\tools\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
-      - name: Build
-        run: |
-          echo "$PATH"
-          mix local.hex --force
-          mix deps.get
-          mix local.rebar --force
-          mix compile --warnings-as-errors
+          elixir-version: '1.18'
+          otp-version: '27.3'
+      - name: Get deps
+        run: mix deps.get
       - name: Test
         run: mix test || mix test --failed