Update CompatHelper.yml

Add SSH key to trigger CI

Author: jishnub

.github/workflows/CompatHelper.yml

@@ -16,4 +16,5 @@ jobs:
       - name: CompatHelper.main()
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          COMPATHELPER_PRIV: ${{ secrets.DOCUMENTER_KEY }}
         run: julia -e 'using CompatHelper; CompatHelper.main()'