.github, README.md: move from Travis CI to GitHub Actions

.github/workflows/c.yml

@@ -0,0 +1,28 @@
+name: C
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Dependencies
+      run: |
+        sudo dpkg --add-architecture i386
+        sudo apt-get clean && sudo apt-get update
+
+    - name: make clean
+      working-directory: ./src
+      run: make clean
+
+    - name: make
+      working-directory: ./src
+      run: make

.github/workflows/coverity.yml

@@ -0,0 +1,22 @@
+name: Coverity Scan
+
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  coverity:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Dependencies
+      run: |
+        sudo dpkg --add-architecture i386
+        sudo apt-get clean && sudo apt-get update
+
+    - uses: vapier/coverity-scan-action@v1
+      with:
+        email: ${{ secrets.COVERITY_SCAN_EMAIL }}
+        token: ${{ secrets.COVERITY_SCAN_TOKEN }}
+        working-directory: ./src

README.md

@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.org/9fans/vx32.svg?branch=master)](https://travis-ci.org/9fans/vx32)
+[![Build Status](https://github.com/9fans/vx32/workflows/C/badge.svg)](https://github.com/9fans/vx32/actions/workflows/c.yml)
 [![Coverity Scan Build Status](https://scan.coverity.com/projects/9fans-vx32/badge.svg)](https://scan.coverity.com/projects/9fans-vx32)
 
 vx32