Merge branch 'iot' of https://github.com/awslabs/aws-crt-swift into s… #76

	# Detect changes to s2n_prelude.h to update our `Package.swift` and stay in sync with it.
	# See: https://github.com/awslabs/aws-crt-swift/pull/299 for updating the Package.swift.

	name: s2n_prelude.h Change Detector

	on: [push]

	jobs:
	check-for-changes:

	runs-on: ubuntu-24.04 # latest

	steps:
	- name: Checkout Sources
	uses: actions/checkout@v4
	with:
	submodules: true

	- name: Check s2n_prelude.h
	run: \|
	TMPFILE=$(mktemp)
	echo "116f1525acbc94c91b0ee2ea2af9fdef aws-common-runtime/s2n/utils/s2n_prelude.h" > $TMPFILE
	md5sum --check $TMPFILE

	# No further steps if successful

	- name: Echo fail
	if: failure()
	run: \|
	echo "The aws-crt-swift has a hack to manually define macros which are defined in s2n_prelude.h in Package.Swift.
	This check will fail whenever s2n_prelude.h is updated by the S2N team. You should make sure that Package.Swift is updated accordingly
	with the s2n_prelude.h changes and then run `md5sum aws-common-runtime/s2n/utils/s2n_prelude.h` and update the value above."

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