Add Go Modules lock file class

What does this MR do and why?

Background

The Repository X-Ray is a tool that searches for dependency manager configuration files (aka "lock files") and then extracts a list of libraries from the content.

In #474306 (comment 2025085630), we decided to migrate the Repository X-Ray functionality into the GitLab Rails monolith. This gives us two main benefits: (i) it will eventually allow us to run the service outside of the CI pipeline, and (ii) we can maintain the parsing logic centrally so that other domains can utilize it.

Base MR

In !162313 (merged), we introduced the LockFiles::Base class where the intention is for each lock file type to be represented by a child class. The child class is to contain the parsing logic to extract a list of libraries and their versions from the file content.

This MR

In this MR, we introduce the GoModules lock file class that parses go.mod.

Resolves part of #476177 (closed).

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Related to #476177 (closed)

changed milestone to %17.4

added Category:Code Suggestions backend devopscreate feature flagskipped groupcode creation sectiondev typefeature workflowin review labels

assigned to @lma-git

mentioned in issue #476177 (closed)

changed the description

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marked this merge request as ready

added 704 commits

• 034588d3...a04d6782 - 703 commits from branch master
• 34df8aa9 - Add Go Modules lock file class

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Hi @emeraldjayde! Could you please give this MR a first review?

requested review from @emeraldjayde

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requested review from @emeraldjayde

approved this merge request

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Hi @mksionek, can you please review?

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approved this merge request

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removed pipelinetier-3 label

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resolved all threads

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E2E Test Result Summary

allure-report-publisher generated test report!

e2e-test-on-gdk: test report for 34df8aa9

expand test summary

+------------------------------------------------------------------+
|                          suites summary                          |
+-------------+--------+--------+---------+-------+-------+--------+
|             | passed | failed | skipped | flaky | total | result |
+-------------+--------+--------+---------+-------+-------+--------+
| Govern      | 71     | 0      | 0       | 0     | 71    | ✅     |
| Plan        | 73     | 0      | 0       | 0     | 73    | ✅     |
| Verify      | 44     | 0      | 2       | 0     | 46    | ✅     |
| Release     | 5      | 0      | 0       | 0     | 5     | ✅     |
| Create      | 128    | 0      | 15      | 0     | 143   | ✅     |
| Package     | 20     | 0      | 12      | 0     | 32    | ✅     |
| Data Stores | 31     | 0      | 1       | 0     | 32    | ✅     |
| Secure      | 3      | 0      | 0       | 0     | 3     | ✅     |
| Monitor     | 8      | 0      | 0       | 0     | 8     | ✅     |
| Fulfillment | 2      | 0      | 0       | 0     | 2     | ✅     |
| Manage      | 1      | 0      | 1       | 0     | 2     | ✅     |
| Analytics   | 2      | 0      | 0       | 0     | 2     | ✅     |
+-------------+--------+--------+---------+-------+-------+--------+
| Total       | 388    | 0      | 31      | 0     | 419   | ✅     |
+-------------+--------+--------+---------+-------+-------+--------+

e2e-package-and-test: test report for 34df8aa9

expand test summary

+-------------------------------------------------------------+
|                       suites summary                        |
+--------+--------+--------+---------+-------+-------+--------+
|        | passed | failed | skipped | flaky | total | result |
+--------+--------+--------+---------+-------+-------+--------+
| Create | 417    | 0      | 51      | 0     | 468   | ✅     |
+--------+--------+--------+---------+-------+-------+--------+
| Total  | 417    | 0      | 51      | 0     | 468   | ✅     |
+--------+--------+--------+---------+-------+-------+--------+

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merged

mentioned in commit 54cbf4eb

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