Add github action for corpus pruning and coverage reports

Corpus pruning minimizes the corpus produced by batch fuzzing by removing redundant items while keeping the same code coverage.

.github/workflows/cflite_cron.yml

+name: ClusterFuzzLite cron tasks
+on:
+  schedule:
+    - cron: '0 0 * * *'  # Once a day at midnight.
+permissions: read-all
+jobs:
+  Pruning:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Build Fuzzers
+      id: build
+      uses: google/clusterfuzzlite/actions/build_fuzzers@v1
+      with:
+        language: c
+    - name: Run Fuzzers
+      id: run
+      uses: google/clusterfuzzlite/actions/run_fuzzers@v1
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+        fuzz-seconds: 600
+        mode: 'prune'
+        output-sarif: true
+        storage-repo: https://gh-action:${{ secrets.ACCESS_TOKEN_GITLAB_UNI }}@gitlab.phaidra.org/loidoltd15/cmp_tool_storage.git
+        storage-repo-branch: main  
+        storage-repo-branch-coverage: gh-pages 
+  Coverage:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Build Fuzzers
+      id: build
+      uses: google/clusterfuzzlite/actions/build_fuzzers@v1
+      with:
+        language: c
+        sanitizer: coverage
+    - name: Run Fuzzers
+      id: run
+      uses: google/clusterfuzzlite/actions/run_fuzzers@v1
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+        fuzz-seconds: 600
+        mode: 'coverage'
+        sanitizer: 'coverage'
+        storage-repo: https://gh-action:${{ secrets.ACCESS_TOKEN_GITLAB_UNI }}@gitlab.phaidra.org/loidoltd15/cmp_tool_storage.git
+        storage-repo-branch: main  
+        storage-repo-branch-coverage: gh-pages 

.github/workflows/cflite_pr.yml

@@ -26,7 +26,6 @@ jobs:
         github-token: ${{ secrets.GITHUB_TOKEN }}
         sanitizer: ${{ matrix.sanitizer }}
         storage-repo: https://gh-action:${{ secrets.ACCESS_TOKEN_GITLAB_UNI }}@gitlab.phaidra.org/loidoltd15/cmp_tool_storage.git
-storage-repo: https://${{ secrets.PERSONAL_ACCESS_TOKEN }}@github.com/OWNER/STORAGE-REPO-NAME.git
         storage-repo-branch: main   
         storage-repo-branch-coverage: gh-pages  
     - name: Run Fuzzers (${{ matrix.sanitizer }})
@@ -38,10 +37,6 @@ storage-repo: https://${{ secrets.PERSONAL_ACCESS_TOKEN }}@github.com/OWNER/STOR
         mode: 'code-change'
         sanitizer: ${{ matrix.sanitizer }}
         output-sarif: true
-        # Optional but recommended: used to download the corpus produced by
-        # batch fuzzing.
-        # See later section on "Git repo for storage".
-        # storage-repo: https://${{ secrets.PERSONAL_ACCESS_TOKEN }}@github.com/OWNER/STORAGE-REPO-NAME.git
-        # storage-repo-branch: main   # Optional. Defaults to "main"
-        # storage-repo-branch-coverage: gh-pages  # Optional. Defaults to "gh-pages".
-
+        storage-repo: https://gh-action:${{ secrets.ACCESS_TOKEN_GITLAB_UNI }}@gitlab.phaidra.org/loidoltd15/cmp_tool_storage.git
+        storage-repo-branch: main   
+        storage-repo-branch-coverage: gh-pages