Split TSan into separate image for lighter default and Codespace support #78

Job	Run time
test-profiling-tsan (ocaml)	26s
test-dune-pkg	7m 31s
test-lsp-tsan (ocaml)	25s
test-neovim	3m 27s
test-lsp	3m 14s
test-emacs	3m 15s
test-lsp-tsan (ocaml+tsan)	49s
test-devcontainer	4m 44s
test-vscode	9s
test-profiling-tsan (ocaml+tsan)	13s
test-profiling	3m 17s
test-ocaml-tsan (ocaml)	18s
test-ocaml (ubuntu-latest)	3m 20s
test-ocaml-tsan (ocaml+tsan)	31s
test-claude	3m 19s
test-podman	2m 44s
test-summary	3s
	37m 45s

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