Use wget for folly dependency download (facebook#14030)

Summary:
Fix the binutils truncated download issue by switching to wget in the folly build scripts for downloading dependencies.

Pull Request resolved: facebook#14030

Test Plan: make build_folly

Reviewed By: jaykorean

Differential Revision: D84033126

Pulled By: anand1976

fbshipit-source-id: bc6706d7e57c97d6edff149a965aa12c7959825f

Author: anand1976

.github/actions/setup-folly/action.yml

@@ -3,5 +3,7 @@ runs:
   using: composite
   steps:
   - name: Checkout folly sources
-    run: make checkout_folly
+    run: |
+      make checkout_folly
+      echo "GETDEPS_USE_WGET=1" >> "$GITHUB_ENV"
     shell: bash