[release-1.11] Update go version to 1.20.7 to fix CVEs

[Sneha-at]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/kind api-change
/kind bug
/kind cleanup
/kind design
/kind documentation
/kind failing-test
/kind feature
/kind flake

What this PR does / why we need it:
Updates go version to 1.20.7 to fix CVEs CVE-2023-29409 CVE-2023-39533. Related PD #1346
Which issue(s) this PR fixes:
Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

Update go version to 1.20.7 to fix CVE-2023-29409 CVE-2023-39533

[sunnylovestiramisu]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Sneha-at, sunnylovestiramisu

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[Sneha-at]

/cherry-pick release-1.10

[k8s-infra-cherrypick-robot]

@Sneha-at: new pull request created: #1348

In response to this:

/cherry-pick release-1.10

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[Sneha-at]

/cherry-pick release-1.9

[Sneha-at]

/cherry-pick release-1.8
/cherry-pick release-1.7

[k8s-infra-cherrypick-robot]

@Sneha-at: new pull request created: #1349

In response to this:

/cherry-pick release-1.9

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[k8s-infra-cherrypick-robot]

@Sneha-at: #1347 failed to apply on top of branch "release-1.8":

Applying: Update go version to 1.20.7 to fix CVEs
Using index info to reconstruct a base tree...
M	Dockerfile
M	Dockerfile.Windows
M	Dockerfile.debug
Falling back to patching base and 3-way merge...
Auto-merging Dockerfile.debug
CONFLICT (content): Merge conflict in Dockerfile.debug
Auto-merging Dockerfile.Windows
CONFLICT (content): Merge conflict in Dockerfile.Windows
Auto-merging Dockerfile
CONFLICT (content): Merge conflict in Dockerfile
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 Update go version to 1.20.7 to fix CVEs
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/cherry-pick release-1.8
/cherry-pick release-1.7

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.