Disable building JSON tests #3639

Job	Run time
cpp-lint / clang-format	13s
shell-lint / shell-lint	11s
ubuntu / clang-build (ubuntu-24.04-arm)	1m 47s
ubuntu / gcc-build (ubuntu-24.04-arm, Debug)	1m 18s
ubuntu / gcc-build (ubuntu-24.04, Release)	1m 21s
windows / clang-build	2m 35s
ubuntu / gcc-build (ubuntu-24.04-arm, Release)	1m 25s
mac / clang-build (Debug)	1m 52s
ubuntu / gcc-build (ubuntu-24.04, Debug)	2m 17s
windows / msvc-build (Release)	4m 38s
windows / msvc-build (Debug)	3m 8s
ubuntu / clang-build (ubuntu-24.04)	1m 42s
mac / clang-build (Release)	1m 53s
mac / clang-test	4m 57s
ubuntu / gcc-test (ubuntu-24.04)	9m 5s
ubuntu / gcc-test (ubuntu-24.04-arm)	8m 37s
ubuntu / clang-test (ubuntu-24.04)	8m 38s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	2m 21s
ubuntu / clang-test (ubuntu-24.04-arm)	8m 57s
windows / msvc-test	4m 53s
windows / clang-test	2m 51s
mac / clang-test-extended	3m 16s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	3m 11s
windows / msvc-test-extended	2m 56s
windows / clang-test-extended	2m 46s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	3m 19s
ubuntu / gcc-test-extended (ubuntu-24.04-arm)	5m 4s
ubuntu / gcc-test-extended (ubuntu-24.04)	5m 12s
ubuntu / clang-test-extended (ubuntu-24.04-arm)	4m 58s
ubuntu / clang-test-extended (ubuntu-24.04)	4m 57s
ubuntu / gcc-build-codecov	6m 24s
perf / ubuntu-gcc-build-perf-stats	1m 41s
pages / build-scoreboard	17s
pages / build-doxygen-xml	25s
pages / build-sphinx	1m 18s
pages / deploy-pages	0s
	2h 0m 23s

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