CSPL-3918: Upgrade GoLang version

[gabrielm-splunk]

Description

Upgrade GoLang version

Key Changes

go.mod change to upgrade GoLang version

Testing and Verification

• Ran and built operator locally
• Ran unit tests

Related Issues

• Jira: https://splunk.atlassian.net/browse/CSPL-3918
• Security Vulnerability: https://splunk.atlassian.net/browse/VULN-42799

PR Checklist

• Code changes adhere to the project's coding standards.
• Relevant unit and integration tests are included.
• Documentation has been updated accordingly.
• All tests pass locally.
• The PR description follows the project's guidelines.

[coveralls]

Pull Request Test Coverage Report for Build 19643829099

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.008%) to 86.514%

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Files with Coverage Reduction	New Missed Lines	%
pkg/splunk/enterprise/afwscheduler.go	1	92.72%

Totals
Change from base Build 19641836256:	-0.008%
Covered Lines:	10739
Relevant Lines:	12413

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💛 - Coveralls

[Igor-splunk]

Can we just upgrade to 1.25?