Slightly increase the size of the RJ45 hole in the case

Widening the RJ45 connector hole along the x-axis by 0.45mm makes it
easier to fit the assembled board without sanding.

case/cheapino-top-left.scad

@@ -24,7 +24,7 @@ translate([0, 0, top_of_pcb]) diodes();
 
 // RJ45 socket
 color("cyan") {
-    translate([29.955, -10.3, 4.1])
+    translate([29.5, -10.3, 4.1])
     linear_extrude(10)
     square([30, 16]);
 

case/cheapino-top-right.scad

@@ -23,7 +23,7 @@ mirror() {
 
     // RJ45 socket
     color("cyan") {
-        translate([29.955, -9.03, 4.1])
+        translate([29.5, -9.03, 4.1])
         linear_extrude(10)
         square([30, 16]);