🤖 Auto-sync docs, metadata, and filepaths (#2973)

Co-authored-by: kahgoh <[email protected]>
Co-authored-by: Jagdish Prajapati <[email protected]>

Author: 3 people

exercises/practice/luhn/.docs/instructions.md

@@ -41,7 +41,7 @@ If the sum is evenly divisible by 10, the original number is valid.
 
 ### Invalid Canadian SIN
 
-The number to be checked is `066 123 468`.
+The number to be checked is `066 123 478`.
 
 We start at the end of the number and double every second digit, beginning with the second digit from the right and moving left.
 

exercises/practice/piecing-it-together/.meta/config.json

@@ -14,6 +14,9 @@
     ],
     "editor": [
       "src/main/java/JigsawInfo.java"
+    ],
+    "invalidator": [
+      "build.gradle"
     ]
   },
   "blurb": "Fill in missing jigsaw puzzle details from partial data",

exercises/practice/swift-scheduling/.meta/config.json

@@ -11,6 +11,9 @@
     ],
     "example": [
       ".meta/src/reference/java/SwiftScheduling.java"
+    ],
+    "invalidator": [
+      "build.gradle"
     ]
   },
   "blurb": "Convert delivery date descriptions to actual delivery dates.",