Calculate coverage

Author: khvzak

.github/workflows/coverage.yml

@@ -0,0 +1,34 @@
+name: Coverage
+on: [push]
+
+permissions:
+  contents: read
+  checks: write
+  pull-requests: write
+
+jobs:
+  coverage:
+    runs-on: ubuntu-latest
+    container:
+      image: xd009642/tarpaulin:develop-nightly
+      options: --security-opt seccomp=unconfined
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@main
+      - name: Cache cargo
+        uses: actions/cache@main
+        with:
+          path: |
+            ~/.cargo
+            ./target
+          key: coverage-${{ runner.os }}
+
+      - name: Generate code coverage
+        run: |
+          cargo +nightly tarpaulin --verbose --out xml --tests --exclude-files benches/*
+
+      - name: Upload to codecov.io
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{secrets.CODECOV_TOKEN}}
+          fail_ci_if_error: false

tarpaulin.toml

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+[lua54]
+features = "lua54,vendored,json,regex,yaml"