Update again zib-v8 build

Signed-off-by: Francis Bouvier <francis@lightpanda.io>

Author: francisbouvier

.github/actions/install/action.yml

@@ -17,7 +17,7 @@ inputs:
   zig-v8:
     description: 'zig v8 version to install'
     required: false
-    default: 'v0.1.7'
+    default: 'v0.1.8'
   v8:
     description: 'v8 version to install'
     required: false