COMP: Update CI to ITKRemoteModuleBuildTestPackageAction v5.4.6 and Python 3.10+

- Bump reusable workflow from v5.4.4 to v5.4.6 (fixes macos-13
  deprecation, adds GHCR dockcross pre-pull with retry)
- Update minimum Python version to 3.10+

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: hjmjohnson

.github/workflows/build-test-package.yml

@@ -4,9 +4,9 @@ on: [push,pull_request]
 
 jobs:
   cxx-build-workflow:
-    uses: InsightSoftwareConsortium/ITKRemoteModuleBuildTestPackageAction/.github/workflows/build-test-cxx.yml@v5.4.4
+    uses: InsightSoftwareConsortium/ITKRemoteModuleBuildTestPackageAction/.github/workflows/build-test-cxx.yml@v5.4.6
 
   python-build-workflow:
-    uses: InsightSoftwareConsortium/ITKRemoteModuleBuildTestPackageAction/.github/workflows/build-test-package-python.yml@v5.4.4
+    uses: InsightSoftwareConsortium/ITKRemoteModuleBuildTestPackageAction/.github/workflows/build-test-package-python.yml@v5.4.6
     secrets:
       pypi_password: ${{ secrets.pypi_password }}

pyproject.toml

@@ -34,7 +34,7 @@ classifiers = [
     "Topic :: Scientific/Engineering :: Medical Science Apps.",
     "Topic :: Software Development :: Libraries",
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dependencies = [
     "itk-io == 5.4.*",
 ]