[Snyk] Security upgrade golang from 1.18 to 1.21.12

[zxcv32]

This PR was automatically created by Snyk using the credentials of a real user.


Snyk has created this PR to fix 2 vulnerabilities in the dockerfile dependencies of this project.

Keeping your Docker base image up-to-date means you’ll benefit from security fixes in the latest version of your chosen image.

Snyk changed the following file(s):

• pi/Dockerfile

We recommend upgrading to golang:1.21.12, as this image has only 89 known vulnerabilities. To do this, merge this pull request, then verify your application still works as expected.

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Out-of-bounds Write SNYK-DEBIAN11-GLIBC-5927133	829
	Out-of-bounds Write SNYK-DEBIAN11-GLIBC-5927133	829
	Out-of-bounds Write SNYK-DEBIAN11-GLIBC-5927133	829
	Out-of-bounds Write SNYK-DEBIAN11-GLIBC-5927133	829
	Resource Exhaustion SNYK-DEBIAN11-NGHTTP2-5953384	829

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Important

• Check the changes in this PR to ensure they won't cause issues with your project.
• Max score is 1000. Note that the real score may have changed since the PR was raised.
• This PR was automatically created by Snyk using the credentials of a real user.

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