Copy required workspace dependencies

.github/workflows/sync-templates.yml

@@ -116,6 +116,14 @@ jobs:
       - name: Copy over the new changes
         run: |
           cp -r polkadot-sdk/templates/${{ matrix.template }}/* "${{ env.template-path }}/"
+      - name: Copy over required workspace dependencies
+        run: |
+          echo "[workspace.dependencies]" >> Cargo.toml
+          while cargo tree --depth 1 --prefix none --no-dedupe 2>&1 | grep 'was not found in `workspace.dependencies`'; do
+            missing_dep=$(cargo tree --depth 1 --prefix none --no-dedupe 2>&1 | grep 'was not found in `workspace.dependencies`' | sed -E 's/(.*)`dependency.(.*)\` was not found in \`workspace.dependencies\`/\2/')
+            toml get ../polkadot-sdk/Cargo.toml 'workspace.dependencies' --output-toml | grep "^${missing_dep} = " >> Cargo.toml
+          done;
+        working-directory: "${{ env.template-path }}"
 
       # 3. Verify the build. Push the changes or create a PR.