gh: add code coverage

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,41 @@
+# https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning
+name: CodeQL
+
+on:
+  push:
+    branches: [ master, devel ]
+  pull_request:
+    branches: [ master ]
+    paths-ignore:
+      - '**/*.md'
+      - '**/*.txt'
+      - '**/*.json'
+  workflow_dispatch:
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: ['go']
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v3
+      with:
+        languages: ${{ matrix.language }}
+
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v3
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v3

.github/workflows/linux.yml

@@ -20,8 +20,10 @@ jobs:
         with:
           go-version: ${{ matrix.go }}
       - name: Test
-        run: go test ./...
-      - name: Test Race
-        run: go test -race ./...
+        run: make test
       - name: Test Builds
         run: make test_build --jobs=4
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}