ci: run all docs jobs if one fails (#441)

Author: henryiii

.github/workflows/ci.yml

@@ -237,6 +237,7 @@ jobs:
   docs:
     name: Docs on ${{ matrix.runs-on }}
     strategy:
+      fail-fast: false
       matrix:
         runs-on: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.runs-on }}