Migrate to new RTD redirect format

Migrate to the new redirect format introduced by ReadTheDocs in
readthedocs/readthedocs.org#10881

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
diff --git a/docs/redirects.yaml b/docs/redirects.yaml
index 7ea1d95..969ffe4 100644
--- a/docs/redirects.yaml
+++ b/docs/redirects.yaml
@@ -7,5 +7,5 @@
 # expose it.
 
 - type: exact
-  from_url: /projects/api/en/latest/$rest
-  to_url: /projects/api/en/development/
+  from_url: /projects/api/en/latest/*
+  to_url: /projects/api/en/development/:splat