Add v1.0.0 release notes #1168

Job	Run time
reusable_tests / asan	3m 31s
reusable_tests / coverage	3m 33s
reusable_tests / flaky	3m 16s
reusable_tests / clang	2m 16s
reusable_tests / multiplatform-tests (Release, ubuntu-22.04)	3m 20s
reusable_tests / python-linter	11s
reusable_tests / multiplatform-tests (Release, ubuntu-24.04)	3m 43s
reusable_tests / tsan	4m 3s
reusable_tests / uncrustify	32s
reusable_tests / multiplatform-tests (Release, windows-2019)	9m 42s
reusable_tests / multiplatform-tests (Release, windows-2022)	14m 42s
reusable_tests / multiplatform-tests (Debug, ubuntu-22.04)	3m 11s
reusable_tests / multiplatform-tests (Debug, ubuntu-24.04)	3m 34s
reusable_tests / multiplatform-tests (Debug, windows-2019)	10m 48s
reusable_tests / multiplatform-tests (Debug, windows-2022)	13m 24s
	1h 19m 46s

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