meson: Rework valijson subproject dependency

Change-Id: I96417251d9a73619cd014b93fd6067e51cc416d3
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/subprojects/valijson.wrap b/subprojects/valijson.wrap
index 736d202..707c227 100644
--- a/subprojects/valijson.wrap
+++ b/subprojects/valijson.wrap
@@ -1,3 +1,3 @@
 [wrap-git]
-revision = c2f22fddf599d04dc33fcd7ed257c698a05345d9
+revision = 66262bafb82c946ba583ba33e96d35e633d5898a
 url = https://github.com/tristanpenman/valijson.git