wrong component name in docs

[GoDSiN]

https://tekton.dev/docs/getting-started/triggers/#:~:text=tekton%2Dpipelines%20%2D%2Dwatch-,When%20tekton%2Dtriggers%2Dcontroller%2C%20tekton%2Dtriggers%2Dwebhook%2C%20and%20tekton%2Dtriggers%2Dcore%2Dcontroller%20show%201/1%20under%20the%20READY%20column%2C%20you%20are%20ready%20to%20continue.%20For%20example%3A,-NAME%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20READY%20%20%20STATUS

change "tekton-triggers-core-controller" to "tekton-triggers-core-interceptors"

Changes

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[linux-foundation-easycla[bot]]

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• :white_check_mark: login: GoDSiN / name: GoDSiN (a2fa6a8e9db4e788f411d430696c5cba6ddf40e2)

[GoDSiN]

/assign @vdemeester

[GoDSiN]

/assign @AlanGreene

[vdemeester]

@GoDSiN you need to sign the easycla thing though 🙃

[GoDSiN]

@vdemeester Sorry for missing task. Is it ready for now?

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: afrittoli

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[AlanGreene]

/lgtm