8.0 update beats

[simitt]

Motivation/summary

Update beats to elastic/beats@13de35e26893 to update the docker base image from CentOS 7 to Ubuntu 20.04.

With updating beats a couple of changes are pulled in. The most relevant changes are:

• Updating golang to 1.17.5
• Add Elastic Product origin header (Add the Elastic product origin header when talking to Elasticsearch or Kibana. beats#29966)
• Support self signed certs on output (Support self-signed certificate on outputs beats#29229)
• Change logs from json to ndjson (Remove logging.files.suffix option and always use datetime suffixes beats#28927) and file suffix (Remove logging.files.suffix option and always use datetime suffixes beats#28927)

Related

#7138

[apmmachine]

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Build stats

• Reason: null

• Start Time: 2022-01-26T12:46:11.334+0000

• Duration: 63 min 0 sec

• Commit: f1abcb9

Test stats 🧪

Test	Results
Failed	0
Passed	5624
Skipped	20
Total	5644

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[simitt]

We will need to forward port the two commits for updating Makefile and fixing lint issues 32f16ae and f1abcb9

[simitt]

/package

[simitt]

/test