ci: repair stale workflow failures

Author: Deepak kudi

.github/workflows/downstream.yml

@@ -19,7 +19,7 @@ jobs:
       - uses: jupyterlab/maintainer-tools/.github/actions/downstream-test@v1
         with:
           package_name: ipython
-          package_spec: -e ".[test]"
+          package_spec: -e .[test]
 
   nbconvert:
     runs-on: ubuntu-latest
@@ -30,7 +30,7 @@ jobs:
       - uses: jupyterlab/maintainer-tools/.github/actions/downstream-test@v1
         with:
           package_name: nbconvert
-          package_spec: -e ".[test]"
+          package_spec: -e .[test]
 
   jupyter_server:
     runs-on: ubuntu-latest

.github/workflows/tests.yml

@@ -31,7 +31,7 @@ jobs:
           - os: ubuntu-latest
             python-version: "3.12"
           - os: ubuntu-latest
-            python-version: "pypy-3.10"
+            python-version: "pypy-3.11"
 
     steps:
       - uses: actions/checkout@v4