Bumping gaia.json for 1 gaia-1_2 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_2/rev/4594ebcedd05
Author: Fernando Campo <fernando.campo@o2.com>
Desc: Merge pull request #12758 from fcampo/retryCount-905173

Bug 905173 - PIN code screen should not display '3 tries left.' when loading (r=Rik)(cherry picked from commit 43091d1a13e4bbb2693f5238c80307fca36e2175)

Conflicts:
	shared/test/unit/mocks/mock_icc_helper.js