Enlarged traces to U1 thermals

The traces to the thermal vias for U1 shouldn't have been as small as
they were.  Not that U1 gets particularly hot, but it would just be
nicer to use thick traces to extend to the thermal vias.

pd-buddy.kicad_pcb

   (general
     (links 120)
     (no_connects 0)
-    (area 81.424999 56.924999 129.575001 83.075001)
+    (area 78.565 52.89 131.500001 84.500001)
     (thickness 1.6)
     (drawings 10)
-    (tracks 453)
+    (tracks 449)
     (zones 0)
     (modules 38)
     (nets 64)
     (fp_text reference J1 (at 4.77 0 180) (layer F.SilkS)
       (effects (font (size 0.8 0.8) (thickness 0.15)))
     )
-    (fp_text value "5-20 V⎓" (at -2.23 -0.5 180) (layer F.SilkS)
+    (fp_text value "5-20 V⎓" (at -2.23 0 180) (layer F.SilkS)
       (effects (font (size 1 1) (thickness 0.15)))
     )
     (fp_line (start -1.7 -3.3) (end 4.3 -3.3) (layer F.CrtYd) (width 0.05))
   (gr_text "PD Buddy Sink\nv0.2" (at 107 61) (layer B.Mask)
     (effects (font (size 2 2) (thickness 0.4)) (justify mirror))
   )
-  (gr_text ⏚ (at 128 66.5) (layer F.SilkS)
+  (gr_text ⏚ (at 128.5 66.5) (layer F.SilkS)
     (effects (font (size 1 1) (thickness 0.15)))
   )
   (gr_arc (start 128.5 82) (end 129.5 82) (angle 90) (layer Edge.Cuts) (width 0.15) (tstamp 58936917))
   (via (at 95.75 73) (size 0.6) (drill 0.4) (layers F.Cu B.Cu) (net 1))
   (segment (start 91 64) (end 91 63.48) (width 0.6) (layer F.Cu) (net 1))
   (segment (start 91 63.48) (end 92.5 61.98) (width 0.6) (layer F.Cu) (net 1))
+  (segment (start 92.5 58) (end 92.98 58) (width 0.6) (layer F.Cu) (net 2))
+  (segment (start 92.98 58) (end 94 59.02) (width 0.6) (layer F.Cu) (net 2))
+  (segment (start 95.5 58) (end 95.02 58) (width 0.6) (layer F.Cu) (net 2))
+  (segment (start 95.02 58) (end 94 59.02) (width 0.6) (layer F.Cu) (net 2))
+  (segment (start 95.5 60) (end 94.98 60) (width 0.6) (layer F.Cu) (net 2))
+  (segment (start 94.98 60) (end 94 59.02) (width 0.6) (layer F.Cu) (net 2))
+  (segment (start 92.5 60) (end 93.02 60) (width 0.6) (layer F.Cu) (net 2))
+  (segment (start 93.02 60) (end 94 59.02) (width 0.6) (layer F.Cu) (net 2))
+  (segment (start 92.5 59) (end 93.98 59) (width 0.6) (layer F.Cu) (net 2))
+  (segment (start 93.98 59) (end 94 59.02) (width 0.6) (layer F.Cu) (net 2))
+  (segment (start 95.5 59) (end 94.02 59) (width 0.6) (layer F.Cu) (net 2))
+  (segment (start 94.02 59) (end 94 59.02) (width 0.6) (layer F.Cu) (net 2))
+  (segment (start 94 60.87) (end 94 59.02) (width 0.25) (layer F.Cu) (net 2))
+  (segment (start 94 61.98) (end 94 60.87) (width 0.25) (layer F.Cu) (net 2))
   (segment (start 124.95 64) (end 124 64) (width 0.25) (layer F.Cu) (net 2))
   (via (at 124 64) (size 0.6) (drill 0.4) (layers F.Cu B.Cu) (net 2))
   (segment (start 124.95 64) (end 125.55 64) (width 0.25) (layer F.Cu) (net 2))
   (segment (start 95 64) (end 94 63) (width 0.25) (layer F.Cu) (net 2))
   (segment (start 94 63) (end 94 61.98) (width 0.25) (layer F.Cu) (net 2))
   (segment (start 93 64) (end 94 63) (width 0.25) (layer F.Cu) (net 2))
-  (segment (start 93 58) (end 92.5 58) (width 0.25) (layer F.Cu) (net 2))
   (via (at 92.5 58) (size 0.6) (drill 0.4) (layers F.Cu B.Cu) (net 2))
-  (segment (start 93.90018 58.90018) (end 93 58) (width 0.25) (layer F.Cu) (net 2))
-  (segment (start 94 58.90018) (end 92.59982 58.90018) (width 0.25) (layer F.Cu) (net 2))
-  (segment (start 92.59982 58.90018) (end 92.5 59) (width 0.25) (layer F.Cu) (net 2))
   (via (at 92.5 59) (size 0.6) (drill 0.4) (layers F.Cu B.Cu) (net 2))
   (segment (start 122 68.73) (end 119.27 68.73) (width 0.25) (layer B.Cu) (net 2))
   (segment (start 119.27 68.73) (end 118 70) (width 0.25) (layer B.Cu) (net 2))
   (via (at 98 68) (size 0.6) (drill 0.4) (layers F.Cu B.Cu) (net 2))
   (segment (start 97.6375 70.3625) (end 97.6375 69.6375) (width 0.25) (layer F.Cu) (net 2))
   (segment (start 97.6375 70.3625) (end 98.3625 70.3625) (width 0.25) (layer F.Cu) (net 2))
-  (segment (start 94 62.10185) (end 94 61.85166) (width 0.25) (layer F.Cu) (net 2))
-  (segment (start 94 60.7493) (end 94 61.85166) (width 0.25) (layer F.Cu) (net 2))
-  (segment (start 94 58.90018) (end 94 60.7493) (width 0.25) (layer F.Cu) (net 2))
-  (segment (start 94 59) (end 93 60) (width 0.25) (layer F.Cu) (net 2))
-  (segment (start 93 60) (end 92.5 60) (width 0.25) (layer F.Cu) (net 2))
   (via (at 92.5 60) (size 0.6) (drill 0.4) (layers F.Cu B.Cu) (net 2))
-  (segment (start 95 60) (end 95.5 60) (width 0.25) (layer F.Cu) (net 2))
   (via (at 95.5 60) (size 0.6) (drill 0.4) (layers F.Cu B.Cu) (net 2))
-  (segment (start 94 58.90018) (end 94 59) (width 0.25) (layer F.Cu) (net 2))
-  (segment (start 94 59) (end 95 60) (width 0.25) (layer F.Cu) (net 2))
-  (segment (start 94.09982 58.90018) (end 95 58) (width 0.25) (layer F.Cu) (net 2))
-  (segment (start 95 58) (end 95.5 58) (width 0.25) (layer F.Cu) (net 2))
   (via (at 95.5 58) (size 0.6) (drill 0.4) (layers F.Cu B.Cu) (net 2))
-  (segment (start 94 58.90018) (end 94.09982 58.90018) (width 0.25) (layer F.Cu) (net 2))
-  (segment (start 94 58.90018) (end 93.90018 58.90018) (width 0.25) (layer F.Cu) (net 2))
-  (segment (start 94 58.90018) (end 95.40018 58.90018) (width 0.25) (layer F.Cu) (net 2))
-  (segment (start 95.40018 58.90018) (end 95.5 59) (width 0.25) (layer F.Cu) (net 2))
   (via (at 95.5 59) (size 0.6) (drill 0.4) (layers F.Cu B.Cu) (net 2))
   (segment (start 98.5 68.785) (end 98.5 69.5) (width 0.25) (layer F.Cu) (net 2))
   (segment (start 98.5 69.5) (end 98.3625 69.6375) (width 0.25) (layer F.Cu) (net 2))