(new) Call security context validators during action-set validation #927

	##
	## Copyright (c) 2025-2026 The Johns Hopkins University Applied Physics
	## Laboratory LLC.
	##
	## This file is part of the Bundle Protocol Security Library (BSL).
	##
	## Licensed under the Apache License, Version 2.0 (the "License");
	## you may not use this file except in compliance with the License.
	## You may obtain a copy of the License at
	## http://www.apache.org/licenses/LICENSE-2.0
	## Unless required by applicable law or agreed to in writing, software
	## distributed under the License is distributed on an "AS IS" BASIS,
	## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	## See the License for the specific language governing permissions and
	## limitations under the License.
	##
	## This work was performed for the Jet Propulsion Laboratory, California
	## Institute of Technology, sponsored by the United States Government under
	## the prime contract 80NM0018D0004 between the Caltech and NASA under
	## subcontract 1700763.
	##
	name: Source formatting

	on:
	push:
	branches:
	- main
	- 'apl-fy[0-9][0-9]'
	pull_request: {} # any target
	schedule:
	- cron: '20 8 * * 4'

	jobs:
	check-formatting:
	runs-on: ubuntu-24.04
	permissions:
	contents: read
	actions: write
	steps:
	- name: Checkout repository
	uses: actions/checkout@v6
	with:
	fetch-depth: 0
	submodules: false
	- name: Set up OS
	run: \|
	sudo apt-get update && sudo apt-get install -y \
	clang-format python3-pip
	pip3 install autopep8 licenseheaders
	- name: Check code formatting
	run: ./build.sh check-format

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