chore: bump Go version

[mdelapenya]

What does this PR do?

From the Ansible deployment standpoint, it bumps Go version to 7.17

Why is it important?

It was added as part of a backport, that's why we are adding it here

Checklist

• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have made corresponding change to the default configuration files
• I have added tests that prove my fix is effective or that my feature works
• I have run the Unit tests (make unit-test), and they are passing locally
• I have run the End-2-End tests for the suite I'm working on, and they are passing locally
• I have noticed new Go dependencies (run make notice in the proper directory)

[elasticmachine]

💔 Tests Failed

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Build stats

• Start Time: 2022-02-09T17:35:46.603+0000

• Duration: 65 min 47 sec

Test stats 🧪

Test	Results
Failed	1
Passed	248
Skipped	0
Total	249

Test errors

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Initializing / End-To-End Tests / kubernetes-autodiscover_debian_amd64_elastic-agent / [empty] – TEST-x86_64-kubernetes-autodiscover-75333923-2022-02-09-18:09:09.xml

• no error details
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 Test report file /var/lib/jenkins/workspace/PR-2128-3-f777acae-27e5-4a38-9cac-ac438f24ef5f/outputs/18.216.207.219/TEST-x86_64-kubernetes-autodiscover-75333923-2022-02-09-18:09:09.xml was length 0 

🐛 Flaky test report

❕ There are test failures but not known flaky tests.

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Genuine test errors

💔 There are test failures but not known flaky tests, most likely a genuine test failure.

• Name: Initializing / End-To-End Tests / kubernetes-autodiscover_debian_amd64_elastic-agent / [empty] – TEST-x86_64-kubernetes-autodiscover-75333923-2022-02-09-18:09:09.xml

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[mdelapenya]

YAY! Only the k8s-autodiscover for elastic-agent is failing (reported in #1992)! Merging