Add NOTICE.txt to Docker image

[AlexanderWert]

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• Start Time: 2022-06-03T11:54:38.407+0000

• Duration: 7 min 20 sec

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[simitt]

I believe we also have to copy the dependencies list https://github.com/elastic/apm-aws-lambda/pull/212/files#diff-a402b77bda476fe59d07fb66cd01a490fb31ef84f423783e2bd7799a5db9596dR41

[AlexanderWert]

depends on #207