test: start to test PatriciaTrie#defrag again

[otegami]

Because the bug is fixed in Groonga.

• groonga/groonga@2c92def

[otegami]

After Groonga 14.1.3 is released, the test will be passed.

[otegami]

We need to update Homebrew Formulae.

• https://github.com/ranguba/rroonga/actions/runs/13153784904/job/36706247332?pr=225#step:8:539

[kou]

Do we need this?
The test is enabled automatically with Groonga 14.1.3 without this.

[otegami]

Ahh I see. We don't need it.

• rroonga/test/groonga-test-utils.rb

  Lines 216 to 220 in 51ba0a0

  	def need_groonga(major, minor, micro)
  	if (Groonga::BUILD_VERSION[0, 3] <=> [major, minor, micro]) < 0
  	omit("Groonga #{major}.#{minor}.#{micro} or later is required")
  	end
  	end