ci: add CIFuzz Github action (libevent#1382)

Signed-off-by: David Korczynski <[email protected]>
Co-authored-by: Azat Khuzhin <[email protected]>

.github/workflows/cifuzz.yml

@@ -0,0 +1,35 @@
+name: CIFuzz
+on:
+  pull_request:
+    types:
+      - synchronize
+      - reopened
+      - opened
+    branches:
+      - master
+    push:
+  push:
+    branches:
+      - master
+jobs:
+  Fuzzing:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Build Fuzzers
+      id: build
+      uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master
+      with:
+        oss-fuzz-project-name: 'libevent'
+        language: c++
+    - name: Run Fuzzers
+      uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master
+      with:
+        oss-fuzz-project-name: 'libevent'
+        fuzz-seconds: 300
+        language: c++
+    - name: Upload Crash
+      uses: actions/upload-artifact@v3
+      if: failure() && steps.build.outcome == 'success'
+      with:
+        name: artifacts
+        path: ./out/artifacts