ci: Add go.mod and go.sum to rebuild all patterns

Any new go code winds up using these dependency definitions by default and they don't change often so its safer to rebuild everything when they change to avoid surprises.

ops/check-changed/main.py

@@ -11,7 +11,9 @@ REBUILD_ALL_PATTERNS = [
     r'^\.github/\.*',
     r'^package\.json',
     r'^yarn\.lock',
-    r'ops/check-changed/.*'
+    r'ops/check-changed/.*',
+    r'^go\.mod',
+    r'^go\.sum',
 ]
 
 WHITELISTED_BRANCHES = {