Update manifest ImpromptuModular to 2.4.3

manifests-cache.json

@@ -2016,7 +2016,7 @@
     "modules": {}
   },
   "ImpromptuModular": {
-    "buildTimestamp": 1707939610.7892914,
+    "buildTimestamp": 1711829334.2591875,
     "creationTimestamp": 1521979525.0,
     "modules": {
       "Tact": {

manifests/ImpromptuModular.json

@@ -1,7 +1,7 @@
 {
   "slug": "ImpromptuModular",
   "name": "Impromptu",
-  "version": "2.4.2",
+  "version": "2.4.3",
   "license": "GPL-3.0-or-later",
   "author": "Marc Boul\u00e9",
   "brand": "Impromptu",