Pin inline-snapshot with an upper bound to fix wasm build (#1680)

Author: davidhewitt

.github/workflows/ci.yml

@@ -362,8 +362,7 @@ jobs:
   # https://github.com/marketplace/actions/alls-green#why used for branch protection checks
   check:
     if: always()
-    # TODO: add build-wasm-emscripten back when CI installation failures are solved:
-    needs: [coverage, test-python, test-os, test-debug, lint, bench]
+    needs: [coverage, test-python, test-os, test-debug, lint, bench, build-wasm-emscripten]
     runs-on: ubuntu-latest
     steps:
       - name: Decide whether the needed jobs succeeded or failed

tests/emscripten_runner.js

@@ -98,7 +98,8 @@ import importlib
 
 await micropip.install([
     'dirty-equals',
-    'inline-snapshot',
+    # inline-snapshot 0.21 requires pytest 8.3.4, pyodide 0.26 ships with 8.1.1
+    'inline-snapshot < 0.21',
     'hypothesis',
     'pytest-speed',
     'pytest-mock',