Update test dependencies and add gh actions

.github/codecov.yml

@@ -0,0 +1,16 @@
+# ref: https://docs.codecov.com/docs/codecovyml-reference
+coverage:
+  range: 25..100
+  round: down
+  precision: 1
+  status:
+    project:
+      default:
+        threshold: 1%
+
+ignore:
+  - "tests"
+
+comment:
+  layout: "files"
+  require_changes: yes

.github/dependabot.yml

@@ -0,0 +1,12 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: daily
+  - package-ecosystem: cargo
+    directory: /
+    schedule:
+      interval: daily
+    ignore:
+      - dependency-name: "*"

.github/workflows/audit.yml

@@ -0,0 +1,16 @@
+name: Security audit
+on:
+  schedule:
+    - cron: '0 0 * * *'
+jobs:
+  audit:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      checks: write
+      pull-requests: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-rs/audit-check@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/check.yml

@@ -0,0 +1,56 @@
+permissions:
+  contents: read
+on:
+  push:
+    branches: [main]
+  pull_request:
+name: check
+jobs:
+  rustfmt:
+    runs-on: ubuntu-latest
+    name: fmt
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Rust Toolchain Components
+        uses: actions-rs/toolchain@v1
+        with:
+          components: clippy, rustfmt
+          override: true
+          toolchain: stable
+      - name: rustfmt
+        run: cargo fmt --all -- --check
+
+  audit:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      checks: write
+      pull-requests: write
+    name: audit
+    steps:
+      - uses: actions/checkout@v4
+      - name: audit
+        uses: actions-rs/audit-check@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+  clippy:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      checks: write
+      pull-requests: write
+    name: clippy
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Rust Toolchain Components
+        uses: actions-rs/toolchain@v1
+        with:
+          components: clippy, rustfmt
+          override: true
+          toolchain: stable
+      - uses: Swatinem/rust-cache@v2
+      - uses: actions-rs/clippy-check@v1.0.7
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          args: --all-features --all-targets

.github/workflows/test.yml

@@ -0,0 +1,39 @@
+permissions:
+  contents: read
+on:
+  push:
+    branches: [main]
+  pull_request:
+name: test
+jobs:
+  unittests:
+    runs-on: ubuntu-latest
+    name: tests / stable
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-rs/toolchain@v1
+        with:
+          override: true
+          toolchain: stable
+      - uses: Swatinem/rust-cache@v2
+      - name: cargo test
+        run: cargo test --all-features --all-targets
+  coverage:
+    name: coverage
+    runs-on: ubuntu-latest
+    container:
+      image: xd009642/tarpaulin:develop-nightly
+      options: --security-opt seccomp=unconfined
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Generate code coverage
+        run: |
+          cargo +nightly tarpaulin --verbose --all-features --workspace --timeout 120 --out xml
+
+      - name: Upload to codecov.io
+        uses: codecov/codecov-action@v2
+        with:
+          # token: ${{secrets.CODECOV_TOKEN}} # not required for public repos
+          fail_ci_if_error: false

Cargo.toml

@@ -25,4 +25,4 @@ codecov = { repository = "zolkko/kendalls", branch = "master", service = "github
 [dependencies]
 
 [dev-dependencies]
-approx = "0.4"
+approx = "0.5"

README.md

@@ -2,7 +2,6 @@
 
 [![crates.io](https://img.shields.io/crates/v/kendalls.svg)](https://crates.io/crates/kendalls)
 [![docs.rs](https://docs.rs/kendalls/badge.svg)](https://docs.rs/kendalls)
-[![Travis CI Build Status](https://travis-ci.org/zolkko/kendalls.svg?branch=master)](https://travis-ci.org/zolkko/kendalls)
 [![codecov](https://codecov.io/gh/zolkko/kendalls/branch/master/graph/badge.svg)](https://codecov.io/gh/zolkko/kendalls)
 
 [Kendall's rank correlation coefficient](https://en.wikipedia.org/wiki/Kendall_rank_correlation_coefficient)