chore: temporary pin virtualenv<21 to fix build (#254)

Signed-off-by: Jericho Tolentino <68654047+jericht@users.noreply.github.com>

Author: jericht

.github/workflows/release_publish.yml

@@ -83,7 +83,7 @@ jobs:
           python-version: '3.9'
       - name: Install dependencies
         run: |
-          pip install --upgrade hatch
+          pip install --upgrade hatch "virtualenv<21"
       - name: Build
         run: hatch -v build
       # # See https://docs.github.com/en/actions/deployment/security-hardening-your-deployments/configuring-openid-connect-in-pypi

pipeline/build.sh

@@ -3,7 +3,7 @@
 set -e
 
 pip install --upgrade pip
-pip install --upgrade hatch
+pip install --upgrade hatch "virtualenv<21"
 pip install --upgrade twine
 hatch run lint
 hatch run test