readme: drop "experimental" from the title

fabiobaltieri · fabiobaltieri · commit f7b70269a8eb · 2025-01-08T13:16:17.000Z
Few projects using it and been running in main for a while, may as well
start to take it seriously.

Signed-off-by: Fabio Baltieri &lt;fabiobaltieri@google.com&gt;
diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-# action-setup-zephyr (experimental)
+# action-setup-zephyr
 
 This action initializes a Zephyr based project, downloading the Zephyr SDK and
 the necessary modules for a West based [Zephyr workspace application][1].

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# action-setup-zephyr (experimental)`
	`1`	`+# action-setup-zephyr`
`2`	`2`
`3`	`3`	`This action initializes a Zephyr based project, downloading the Zephyr SDK and`
`4`	`4`	`the necessary modules for a West based [Zephyr workspace application][1].`