Update workflow to reflect new CIFuzz format (#1212)

.github/workflows/main.yml

@@ -3,18 +3,22 @@ name: CIFuzz
 on: [pull_request]
 
 jobs:
-  fuzz:
-
+  Fuzzing:
     runs-on: ubuntu-latest
-
     steps:
-    - name: Building and running fuzzers
-      uses: google/oss-fuzz/infra/cifuzz/actions@master
+    - name: Build Fuzzers
+      uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master
       with:
         project-name: 'yara'
+        dry-run: true
+    - name: Run Fuzzers
+      uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master
+      with:
         fuzz-time: 600
-        dry-run: True
-    - uses: actions/upload-artifact@v1
+        dry-run: true
+    - name: Upload Crash
+      uses: actions/upload-artifact@v1
+      if: failure()
       with:
         name: fuzzer_testcase
         path: ./out/testcase