fix(deps): update module gopkg.in/guregu/null.v4 to v5

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
gopkg.in/guregu/null.v4	v4.0.0 -> v5.0.0

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Release Notes

guregu/null (gopkg.in/guregu/null.v4)

v5.0.0: Generics & more

Compare Source

• Now a Go module under the path github.com/guregu/null/v5
  • ⚠️ Please use this instead of from the former gopkg.in path.
  • Previously this package didn't use modules to support ancient pre-go mod environments, but now module support is required.
• Added missing types from database/sql: Int32, Int16, Byte
• Added generic Value[T] embedding sql.Null[T]
  • Note that zero.Value[T] requires that T is comparable. null.Value[T] supports any value.
  • This doesn't support TextMarshaler because there's no generic way to support all types (e.g. structs). We could support some types but I'm not sure if that's useful.
  • This type requires Go version ≥1.22, on lower versions it won't be present

Behavior from v4 is unchanged, so it should be an easy upgrade.
Thank you and enjoy.

What's Changed

• v5: More types, generics by @​guregu in https://github.com/guregu/null/pull/77

Full Changelog: guregu/null@v4.0.0...v5.0.0

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Configuration

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[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: go.sum

Command failed: go get -d -t ./...
go: -d flag is deprecated. -d=true is a no-op
go: gopkg.in/guregu/[email protected]: parsing go.mod:
	module declares its path as: github.com/guregu/null/v5
	        but was required as: gopkg.in/guregu/null.v5

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