Switch to DCO from CLA #349

Job	Run time
language-servers-multiplatform-build / Build (ubuntu-latest)	37m 2s
language-servers-multiplatform-build / Build (macos-latest)	31m 26s
language-servers-multiplatform-build / Build (windows-latest)	32m 5s
vscode-concourse / Build VSCode Extension 'vscode-concourse' Snapshot	5m 57s
eclipse-ls-extensions / eclipse-language-servers-build	15m 18s
vscode-manifest-yaml / Build VSCode Extension 'vscode-manifest-yaml' Snapshot	6m 23s
vscode-bosh / Build VSCode Extension 'vscode-bosh' Snapshot	3m 2s
vscode-spring-boot / Build VSCode Extension 'vscode-spring-boot' Snapshot	23m 12s
eclipse-ls-extensions / notify-failure	0s
e435-distro / eclipse-distro-build	15m 6s
e434-distro / eclipse-distro-build	15m 17s
e433-distro / eclipse-distro-build	17m 22s
e435-distro / sign-osx-distros	21m 46s
e435-distro / sign-win-distros	2m 36s
e434-distro / sign-win-distros	2m 5s
e434-distro / sign-osx-distros	25m 1s
e433-distro / sign-win-distros	6m 35s
e433-distro / sign-osx-distros	20m 50s
e435-distro / cleanup	6s
e435-distro / Send GChat message	0s
e435-distro / purge_cache	0s
e435-distro / notify-failure	0s
e433-distro / cleanup	7s
e433-distro / Send GChat message	0s
e433-distro / purge_cache	0s
e433-distro / notify-failure	0s
e434-distro / cleanup	6s
e434-distro / purge_cache	0s
e434-distro / Send GChat message	0s
e434-distro / notify-failure	0s
	4h 41m 22s

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