temp: use kdmccormick's edx-platform branch

that branch has scripts which are necessary for
this PR to make it through CI.

will delete this commit before merging

.github/workflows/provisioning-tests.yml

@@ -74,6 +74,13 @@ jobs:
           echo 'USE_EXPERIMENTAL_CREDENTIALS_IMAGE = 1' >> options.local.mk
         if: ${{ matrix.which-images == 'experimental' }}
 
+      - name: TEMP check out kyle's branch of edx-platform
+        run: |
+          cd /tmp/edx-platform
+          git remote set-branches origin '*'
+          git fetch -v
+          git checkout kdmccormick/docker
+
       - name: provision
         run:  make dev.provision.${{matrix.services}}