Enable ssh

Author: facundominguez

.github/workflows/build.yml

@@ -136,7 +136,10 @@ jobs:
         set -e -o pipefail
         nix-shell --pure --run 'bazel build //... $BAZEL_ARGS'
 
-    - name: Run tests
+    - name: Setup upterm session
+      uses: mxschmitt/action-tmate@v3
+
+     - name: Run tests
       shell: bash
       run: |
         set -e -o pipefail