Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-2_0/rev/c33a7e0d2ce7
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Merge pull request #24240 from davidflanagan/bug1070195-v2.0

Merge pull request #24233 from davidflanagan/bug1070195

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https://hg.mozilla.org/integration/gaia-2_0/rev/1b66ff41f71a
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Merge pull request #24233 from davidflanagan/bug1070195

Bug 1070195: free canvas memory after creating a video poster image in Camera r=wilsonpage(cherry picked from commit 3563ddca35a52e7a533dcfc7996e74b78c6e36c8)
Bumping manifests a=b2g-bump
No bug, Automated HSTS preload list update from host bld-linux64-spot-021 - a=hsts-update
No bug, Automated HPKP preload list update from host bld-linux64-spot-021 - a=hpkp-update