Fix build

Author: Cadair

.github/workflows/release.yml

@@ -6,6 +6,7 @@ on:
       - "v*"
     branches:
       - master
+  pull_request:
 
 jobs:
   build_sdist:
@@ -25,7 +26,7 @@ jobs:
         python -m build --sdist --outdir dist/ .
     - name: Install
       run: |
-        pip install dist/
+        pip install dist/*
     - name: Run tests
       run: |
         pytest tests
@@ -54,7 +55,7 @@ jobs:
         python -m build --sdist --outdir dist/ .
     - name: Install
       run: |
-        pip install dist/
+        pip install dist/*
     - name: Run tests
       run: |
         pytest tests