replace actions with agent in READMEs #3058

Job	Run time
install-root	15s
install-core	21s
install-vscode	25s
core-checks	30s
core-tests	2m 17s
binary-checks	24s
install-gui	25s
gui-checks	32s
gui-tests	27s
vscode-checks	34s
vscode-get-test-file-matrix	1m 1s
vscode-download-e2e-dependencies	35s
vscode-package-extension	1m 16s
jetbrains-tests	5m 35s
e2e/_output/tests/Autocomplete.test.js (e2e:ci:run)	1m 30s
e2e/_output/tests/Autocomplete.test.js (e2e:ci:run-yaml)	1m 39s
e2e/_output/tests/Edit.test.js (e2e:ci:run)	1m 36s
e2e/_output/tests/Edit.test.js (e2e:ci:run-yaml)	1m 30s
e2e/_output/tests/GUI.test.js (e2e:ci:run)	2m 10s
e2e/_output/tests/GUI.test.js (e2e:ci:run-yaml)	2m 15s
e2e/_output/tests/KeyboardShortcuts.test.js (e2e:ci:run)	2m 19s
e2e/_output/tests/KeyboardShortcuts.test.js (e2e:ci:run-yaml)	1m 48s
e2e/_output/tests/PromptFile.test.js (e2e:ci:run)	1m 53s
e2e/_output/tests/PromptFile.test.js (e2e:ci:run-yaml)	1m 33s
e2e/_output/tests/SSH.test.js (e2e:ci:run)	1m 50s
e2e/_output/tests/SSH.test.js (e2e:ci:run-yaml)	2m 6s
require-all-checks-to-pass	1s
	36m 47s

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