Use new actions on local attest

Signed-off-by: Adolfo García Veytia (Puerco) <puerco@carabiner.dev>

Author: puerco

.github/workflows/local_attest.yml

@@ -10,4 +10,4 @@ jobs:
     permissions:
       contents: write # needed for storing the vsa in the repo.
       id-token: write
-    uses: slsa-framework/slsa-source-poc/.github/workflows/compute_slsa_source.yml@main
+    uses: slsa-framework/source-actions/.github/workflows/compute_slsa_source.yml@main