CI housekeeping (#113)

List of changes:
- add Elixir 1.17/Erlang OTP 27 to CI
- bump GitHub actions
- tally min Elixir version with CI

.github/workflows/ci.yml

@@ -10,8 +10,6 @@ jobs:
   mix-test:
     runs-on: ubuntu-20.04
 
-    name: mix test (OTP ${{matrix.otp}} | Elixir ${{matrix.elixir}})
-
     env:
       MIX_ENV: test
       ELIXIR_VERSION: ${{ matrix.elixir }}
@@ -21,21 +19,21 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - elixir: 1.10.4
-            otp: 22.3
-          - elixir: 1.14.0
-            otp: 25.1
+          - elixir: "1.10"
+            otp: "22"
+          - elixir: "1.17"
+            otp: "27"
             lint: lint
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - uses: erlef/setup-beam@v1
         with:
           otp-version: ${{matrix.otp}}
           elixir-version: ${{matrix.elixir}}
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: |
             deps
@@ -60,6 +58,6 @@ jobs:
         if: ${{ matrix.lint }}
 
       - run: mix coveralls.json
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           env_vars: ELIXIR_VERSION,OTP_VERSION

mix.exs

@@ -8,7 +8,7 @@ defmodule Telemetry.Metrics.MixProject do
       name: "Telemetry.Metrics",
       app: :telemetry_metrics,
       version: @version,
-      elixir: "~> 1.7",
+      elixir: "~> 1.10",
       start_permanent: Mix.env() == :prod,
       preferred_cli_env: preferred_cli_env(),
       deps: deps(),