deps: bump github.com/apstndb/spanvalue from v0.5.0 to v0.7.5

[apstndb]

Summary

• Bump github.com/apstndb/spanvalue from v0.5.0 to v0.7.5 (current release), with transitive updates picked up by go mod tidy (go-jose, testify, OpenTelemetry v1.40.0, golang.org/x/sys).
• No source changes required: execspansql uses only the spanvalue/writer CSV path (NewCSVWriter, WriteRowIterator, WriteStructValues, WriteRow, PrepareRowType, Flush) with the default Simple preset, whose CSV output is unchanged across this range.
• No golden regold needed: csv_golden_test.go and the spanvalue contract tests (csv_test.go) pass unchanged.

Behavior-change review (v0.5.0 → v0.7.5 release notes)

Release	Change	Affects execspansql?
v0.5.1	FormatConfig gained an exported nested field; unkeyed composite literals break	No — execspansql never hand-builds FormatConfig; it only uses writer defaults (Simple preset)
v0.6.0	NewSQLInsertWriter(out, "") errors at construction	No — SQL INSERT export is not used
v0.6.0	nil-FormatNullable slow path returns error instead of panic	No — no custom FormatConfig / FormatNullable
v0.7.0	Minimum Go 1.24	No impact — go.mod already declares go 1.24.0
v0.7.0	Literal preset NaN/±Inf CAST quoting; WithComplexPlugin prepends	No — Literal preset and plugins not used
v0.7.1	Spanner CLI preset integral floats 1.000000 → 1; Literal integral FLOAT64 gains .0	No — only Simple preset (CSV) is used; Simple output unchanged
v0.7.1	gcvctor TimestampValue UTC normalization	No — gcvctor not used
v0.7.1	JSON wire emitted without HTML escapes	No — JSON output in execspansql goes through go-jq-yamlformat, not spanvalue
v0.7.5	Writer sticky errors; whole-statement SQL INSERT emission; ErrInvalidSQLInsertKind; GoogleSQL QuoteIdentifier escaping fix	No behavioral impact — SQL INSERT not used; CSV writers are already discarded on error, so sticky errors only harden existing usage

Test plan

• go build ./... / go vet ./...
• go test ./... — all packages pass, including TestExperimentalCsvSpanvalueContract (execspansql CSV vs spanvalue DelimitedWriter), TestExperimentalCsvGolden (goldens unchanged, no -update-golden needed), and CSV fixture tests
• go test -v -run TestWithCloudSpannerEmulator . — emulator integration test ran via testcontainers/Docker and passed (verified it did not silently skip)
• golangci-lint run — one pre-existing staticcheck QF1002 finding at main.go:549, also present on main; not introduced by this PR

🤖 Generated with Claude Code

[gemini-code-assist]

Code Review

This pull request updates several Go dependencies in go.mod and go.sum, including OpenTelemetry libraries, spanvalue, go-jose, testify, go-internal, and golang.org/x/sys. I have no feedback to provide.

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