chore: avoids code injection through git commit (#4147)

## About the changes
Avoids code injection via the committer name or email

Also removes pushing to s3 on `main` folder as it's not used and we're
already pushing to `commits` folder

.github/workflows/build.yaml

@@ -46,11 +46,3 @@ jobs:
           CI: true
           TEST_DATABASE_URL: postgres://postgres:postgres@localhost:5432/postgres
           DATABASE_URL: postgres://postgres:postgres@localhost:5432/postgres
-      - uses: aws-actions/configure-aws-credentials@v2
-        with:
-          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
-          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-          aws-region: ${{ secrets.AWS_DEFAULT_REGION }}
-      - name: Publish static assets to S3
-        run: |
-          aws s3 cp frontend/build s3://getunleash-static/unleash/main/$(git rev-parse HEAD) --recursive

.github/workflows/notify_enterprise.yaml

@@ -26,6 +26,8 @@ jobs:
       - uses: actions/checkout@v3
       - name: Trigger sync
         uses: actions/github-script@v6
+        env:
+          COMMIT_ACTOR: ${{ github.event.commits[0].author.name }} <${{ github.event.commits[0].author.email }}>
         with:
           github-token: ${{ secrets.UNLEASH_CI_BUILDER_GITHUB_TOKEN }}
           script: |
@@ -36,7 +38,7 @@ jobs:
               ref: 'master',
               inputs: {
                  commit: "${{ github.event.head_commit.id }}",
-                 actor: "${{ github.event.commits[0].author.name }} <${{ github.event.commits[0].author.email }}>",
+                 actor: "${{ env.COMMIT_ACTOR }}",
                  message: ${{ toJSON(github.event.head_commit.message) }},
               }
             })