scripts/checkCommits1by1.fsx: augment

Improve this fsx script to also detect commits with bad CI
status. That is, if commit msg contains text "failing test"
then it would be allowed to have broken CI, else CI should be
green.

Fixes #95

.github/workflows/CI.yml

@@ -179,9 +179,9 @@ jobs:
         run: dotnet fsi scripts/unpinnedNugetPackageReferenceVersions.fsx
       - name: Check there are no unpinned versions in `dotnet tool install` commands
         run: dotnet fsi scripts/unpinnedDotnetToolInstallVersions.fsx
-      - name: Check if gitPush1by1 was used
+      - name: Check commits 1 by 1
         if: github.event_name == 'pull_request'
-        run: dotnet fsi scripts/detectNotUsingGitPush1by1.fsx
+        run: dotnet fsi scripts/checkCommits1by1.fsx
       - name: Check there are no inconsistent versions GitHubCI files
         run: dotnet fsi scripts/inconsistentVersionsInGitHubCI.fsx
       - name: Check there are no inconsistent versions in nuget package references of F# scripts