Need to cd into the right directory!

Author: d-torrance

.github/workflows/build-deb.yml

@@ -56,6 +56,7 @@ jobs:
         run: wget https://snapshot.debian.org/archive/debian/20250602T023532Z/pool/main/m/macaulay2/macaulay2_1.25.06%2Bds.orig.tar.xz
       - name: Build package
         run: |
+          cd macaulay2
           if test ${{ matrix.os }} = "ubuntu-latest"; \
           then dpkg-buildpackage; \
           else dpkg-buildpackage -B; \