Update main.yml

.github/workflows/main.yml

@@ -8,20 +8,18 @@ jobs:
 
     steps:
     - uses: actions/checkout@v1
-    - name: Install mailparse
-      run: sudo apt install php-mailparse
     - name: Composer install
-      run: composer update --no-progress
+      run: composer update --no-progress --ignore-platform-reqs
     - name: Dump GitHub context 1
       env:
         GITHUB_CONTEXT: ${{ toJson(github) }}
       run: echo "$GITHUB_CONTEXT"
     - name: Dump GitHub context 2
       env:
-        GITHUB_CONTEXT_LAST_COMMIT: ${{ toJson(github.head_commit) }}
+        GITHUB_CONTEXT_LAST_COMMIT: ${{ toJson(github.event.head_commit) }}
       run: echo "$GITHUB_CONTEXT_LAST_COMMIT"
     - name: PHPCS
-      run: echo "${{ github.head_commit.author.name }}"
+      run: echo "${{ github.event.head_commit.author.name }}"
     - name: Auto Commit
       run: |
         git remote set-url origin https://eXorus:${{ secrets.GITHUB_TOKEN }}@github.com/php-mime-mail-parser/php-mime-mail-parser