.github/workflows/test_pyodide.yml: fix breakage, and test with different mupdf's.

* Use scripts/test.py directly.
* Use .yml matrix to build different pyodide wheels without duplication of .yml
  code.
* Build with default hard-coded mupdf, mupdf master and mupdf release branch.

Author: julian-smith-artifex-com

.github/workflows/test_pyodide.yml

@@ -1,57 +1,39 @@
 name: Build Pyodide wheel
 
+# Builds pyodide wheels.
+
 on:
   workflow_dispatch:
 
-    inputs:
-      PYMUPDF_SETUP_MUPDF_BUILD:
-          description: 'Value for PYMUPDF_SETUP_MUPDF_BUILD, e.g.: git:--branch master https://github.com/ArtifexSoftware/mupdf.git'
-          type: string
-          #default: 'git:--branch master https://github.com/ArtifexSoftware/mupdf.git'
-          default: '-'
-      PYMUPDF_SETUP_PY_LIMITED_API:
-        type: string
-        default: '1'
-  
   schedule:
     - cron: '13 5 * * *'
 
 jobs:
 
-  build_pyodide:
-    
-    name: Build pyodide wheel
+  pyodide:
+    name: pyodide
     runs-on: ubuntu-latest
-    
     strategy:
       matrix:
-        # Python version needs to match emsdk.
-        python-version: ["3.12"]
-
-      # Avoid cancelling of all runs after a single failure.
+        args: [
+            '',
+            '-m "git:--branch master https://github.com/ArtifexSoftware/mupdf"', 
+            '-m "git:--branch 1.26.x https://github.com/ArtifexSoftware/mupdf"',
+            ]
       fail-fast: false
 
     steps:
-
       - uses: actions/checkout@v4
-
       - uses: actions/setup-python@v5
         with:
-          python-version: ${{ matrix.python-version }}
-
-      - name: build_pyodide_wheel
-        env:
-            inputs_sdist: 0
-            inputs_PYMUPDF_SETUP_MUPDF_BUILD: ${{inputs.PYMUPDF_SETUP_MUPDF_BUILD}}
-            PYMUPDF_SETUP_PY_LIMITED_API: ${{inputs.PYMUPDF_SETUP_PY_LIMITED_API}}
-            inputs_wheels_default: 0
-            inputs_wheels_linux_pyodide: 1
+          python-version: 3.12
+      
+      - name: pyodide
         run:
-          python scripts/gh_release.py build
-
-
-      # Upload generated wheels, to be accessible from github Actions page.
-      #
-      - uses: actions/upload-artifact@v4
-        with:
-          path: ./wheelhouse/*.whl
+          python scripts/test.py ${{matrix.args}} pyodide
+      
+      # We do not use upload-artifact@v4 because it fails due to us creating
+      # identically-named wheels.
+      #- uses: actions/upload-artifact@v4
+      #  with:
+      #    path: ./wheelhouse/*.whl