Use wget instead of curl for robustness

Fixes #12

action.yml

@@ -12,7 +12,7 @@ runs:
   steps:
     - run: |
         echo "mold ${{ inputs.mold-version }}"
-        curl -L --retry 10 --silent --show-error https://github.com/rui314/mold/releases/download/v${{ inputs.mold-version }}/mold-${{ inputs.mold-version }}-$(uname -m)-linux.tar.gz | sudo tar -C /usr/local --strip-components=1 --no-overwrite-dir -xzf -
+        wget -O- --timeout=10 --waitretry=3 --retry-connrefused https://github.com/rui314/mold/releases/download/v${{ inputs.mold-version }}/mold-${{ inputs.mold-version }}-$(uname -m)-linux.tar.gz | sudo tar -C /usr/local --strip-components=1 --no-overwrite-dir -xzf -
         test ${{ inputs.make-default }} = true -a "$(realpath /usr/bin/ld)" != /usr/local/bin/mold && sudo ln -sf /usr/local/bin/mold "$(realpath /usr/bin/ld)"; true
       shell: bash
       if: runner.os == 'linux'