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GH-15285: [GLib] Add GArrowMatchSubstringOptions (#34725)

### Rationale for this change

It's needed for match substring related kernels.

### What changes are included in this PR?

These changes add `GArrowMatchSubstringOptions`.

These changes also includes bug fixes of `GArrowIndexOptions`. Sorry.

### Are these changes tested?

Yes.

### Are there any user-facing changes?

Yes.
* Closes: #15285

Authored-by: Sutou Kouhei <kou@clear-code.com>
Signed-off-by: Sutou Kouhei <kou@clear-code.com>