ENH: Pin to v5.4.3

Author: hjmjohnson

.github/workflows/build-test.yml

@@ -4,4 +4,4 @@ on: [push,pull_request]
 
 jobs:
   cxx-build-workflow:
-    uses: InsightSoftwareConsortium/ITKRemoteModuleBuildTestPackageAction/.github/workflows/build-test-cxx.yml@main
+    uses: InsightSoftwareConsortium/ITKRemoteModuleBuildTestPackageAction/.github/workflows/build-test-cxx.yml@v5.4.3