chore: update GHA and Dependabot config

.github/dependabot.yml

@@ -1,17 +1,33 @@
 # Configuration file for GitHub Dependabot
-# https://help.github.com/en/github/administering-a-repository/configuration-options-for-dependency-updates
+# https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
 
 version: 2
 updates:
-  # Maintain dependencies for GitHub Actions
-  - package-ecosystem: "github-actions"
-    # Root directory for GitHub Actions is
-    # the default location of `.github/workflows`
-    directory: "/"
+  - package-ecosystem: 'github-actions'
+    directory: '/'
     schedule:
-      interval: "monthly"
-  # Maintain dependencies for Go Modules
+      interval: 'weekly'
+      day: 'saturday'
+      time: '09:00'
+      timezone: 'Asia/Singapore'
+    groups:
+      gha:
+        patterns:
+          - '*'
+        update-types:
+          - 'minor'
+          - 'patch'
   - package-ecosystem: "gomod"
-    directory: "/"
+    directory: '/'
     schedule:
-      interval: "monthly"
+      interval: 'weekly'
+      day: 'saturday'
+      time: '09:00'
+      timezone: 'Asia/Singapore'
+    groups:
+      gha:
+        patterns:
+          - '*'
+        update-types:
+          - 'minor'
+          - 'patch'

.github/workflows/test.yml

@@ -8,44 +8,44 @@ on:
     branches:
       - main
 
+defaults:
+  run:
+    # NOTE: Default option does not include `-o pipefail` as documented
+    # unless explicitly specifying the `bash` shell.
+    # https://github.com/actions/runner/issues/353
+    shell: bash
+
 jobs:
-  test-golang:
-    name: Test on Go ${{ matrix.go }} (${{ matrix.os }})
+  test:
     runs-on: ${{ matrix.os }}
     timeout-minutes: 3
     strategy:
       matrix:
         os:
           # NOTE: Non-linux systems uses more billable minutes.
           # Enable them only if they are strictly required.
-          # - windows-latest
-          # - macos-latest
-          - ubuntu-latest
+          # - "windows-2022"
+          # - "macos-14"
+          - "ubuntu-22.04"
         go:
-          # - 1.12
-          # - 1.13
-          # - 1.14
-          # - 1.15
-          - 1.16
-          - 1.17
+          - "1.16"
+          - "1.17"
+          - "1.18"
+          - "1.19"
+          - "1.20"
+          - "1.21"
+          - "1.22"
+          - "1.23"
 
     steps:
       - name: Checkout branch
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4.1.7
 
       - name: Set up Go ${{ matrix.go }}
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v5.0.2
         with:
           go-version: ${{ matrix.go }}
 
-      - name: Cache Go modules
-        uses: actions/cache@v2
-        with:
-          path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
-
       - name: Lint code
         run: |
           make lint