Disable fail-fast so all builds can try to complete

Author: blurpy

.github/workflows/cmake.yml

@@ -11,6 +11,8 @@ jobs:
     strategy:
       matrix:
         platform: [ubuntu-latest, macos-latest, windows-latest]
+      # Don't cancel the other builds if one fails
+      fail-fast: false
     # The CMake configure and build commands are platform agnostic and should work equally
     # well on Windows or Mac.  You can convert this to a matrix build if you need
     # cross-platform coverage.