fix(deps): update module github.com/gin-gonic/gin to v1.12.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
github.com/gin-gonic/gin	v1.11.0 → v1.12.0

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Release Notes

gin-gonic/gin (github.com/gin-gonic/gin)

v1.12.0

Compare Source

Features

• feat(render): add bson protocol (#​4145)
• feat(context): add GetError and GetErrorSlice methods for error retrieval (#​4502)
• feat(binding): add support for encoding.UnmarshalText in uri/query binding (#​4203)
• feat(gin): add option to use escaped path (#​4420)
• feat(context): add Protocol Buffers support to content negotiation (#​4423)
• feat(context): implemented Delete method (#​38e7651)
• feat(logger): color latency (#​4146)

Enhancements

• perf(tree): reduce allocations in findCaseInsensitivePath (#​4417)
• perf(recovery): optimize line reading in stack function (#​4466)
• perf(path): replace regex with custom functions in redirectTrailingSlash (#​4414)
• perf(tree): optimize path parsing using strings.Count (#​4246)
• chore(logger): allow skipping query string output (#​4547)
• chore(context): always trust xff headers from unix socket (#​3359)
• chore(response): prevent Flush() panic when the underlying ResponseWriter does not implement http.Flusher (#​4479)
• refactor(recovery): smart error comparison (#​4142)
• refactor(context): replace hardcoded localhost IPs with constants (#​4481)
• refactor(utils): move util functions to utils.go (#​4467)
• refactor(binding): use maps.Copy for cleaner map handling (#​4352)
• refactor(context): using maps.Clone (#​4333)
• refactor(ginS): use sync.OnceValue to simplify engine function (#​4314)
• refactor: replace magic numbers with named constants in bodyAllowedForStatus (#​4529)
• refactor: for loop can be modernized using range over int (#​4392)

Bug Fixes

• fix(tree): panic in findCaseInsensitivePathRec with RedirectFixedPath (#​4535)
• fix(render): write content length in Data.Render (#​4206)
• fix(context): ClientIP handling for multiple X-Forwarded-For header values (#​4472)
• fix(binding): empty value error (#​2169)
• fix(recover): suppress http.ErrAbortHandler in recover (#​4336)
• fix(gin): literal colon routes not working with engine.Handler() (#​4415)
• fix(gin): close os.File in RunFd to prevent resource leak (#​4422)
• fix(response): refine hijack behavior for response lifecycle (#​4373)
• fix(binding): improve empty slice/array handling in form binding (#​4380)
• fix(debug): version mismatch (#​4403)
• fix: correct typos, improve documentation clarity, and remove dead code (#​4511)

Build process updates / CI

• ci: update Go version support to 1.25+ across CI and docs (#​4550)
• chore(binding): upgrade bson dependency to mongo-driver v2 (#​4549)

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