Install setuptools to make Towncrier fork work with Python 3.12

Author: buberdds

.changelog/980.internal.md

@@ -0,0 +1 @@
+Install setuptools to make Towncrier fork work with Python 3.12

.github/workflows/ci-lint.yml

@@ -38,6 +38,10 @@ jobs:
       - name: Install gitlint
         run: |
           python -m pip install gitlint
+        # Needed for Towncrier fork to work with 3.12 and above
+      - name: Install setuptools
+        run: |
+          python -m pip install setuptools
       - name: Install towncrier
         run: |
           python -m pip install https://github.com/oasisprotocol/towncrier/archive/oasis-master.tar.gz