chore(nimbus): Update Firefox iOS Main

Experimenter Bot · Experimenter Bot · commit 9e1406807f55 · 2026-05-09T12:26:47.000Z
diff --git a/experimenter/tests/firefox_ios_main_build.env b/experimenter/tests/firefox_ios_main_build.env
@@ -1 +1 @@
-FIREFOX_IOS_SHA="803e77b6f4015888191f546925bf8c09a68a555d"
+FIREFOX_IOS_SHA="fa1936f894ad576df14ae051ab2238a18a26ee50"

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-FIREFOX_IOS_SHA="803e77b6f4015888191f546925bf8c09a68a555d"`
	`1`	`+FIREFOX_IOS_SHA="fa1936f894ad576df14ae051ab2238a18a26ee50"`