chore(nimbus): Update Firefox iOS Main (#15747)

experimenter-github-app[bot] · Experimenter Bot · web-flow · commit 6fdf656fed70 · 2026-05-28T14:05:15.000Z
Automated update of Firefox iOS Main version

Co-authored-by: Experimenter Bot &lt;experimenter-ci-bot@mozilla.com&gt;
diff --git a/experimenter/tests/firefox_ios_main_build.env b/experimenter/tests/firefox_ios_main_build.env
@@ -1 +1 @@
-FIREFOX_IOS_SHA="92fa5569a02d3e1c8280d1b0ff547404abf0aaef"
+FIREFOX_IOS_SHA="42c9a0676590c93878b1daf60ae36bc6a219b3f5"

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-FIREFOX_IOS_SHA="92fa5569a02d3e1c8280d1b0ff547404abf0aaef"`
	`1`	`+FIREFOX_IOS_SHA="42c9a0676590c93878b1daf60ae36bc6a219b3f5"`