Update Mobile-Expensify submodule version to 9.2.8-1 #364

Job	Run time
prettier / Prettier check	3m 0s
typecheck / typecheck	3m 50s
test / Storybook tests	0s
lint / ESLint check	0s
test / test (job ${{ fromJSON(matrix.chunk) }})	0s
confirmPassingBuild	7s
updateStaging	0s
skipDeploy	0s
chooseDeployActions	0s
createNewVersion	0s
	6m 57s

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