ci: only trigger test workflow when relevant files change

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: Ideee10cc79f6d3a3d542b5ae6bc375156a6a6964

.github/workflows/go.yml

@@ -3,8 +3,21 @@ name: Build & Test with Go
 on:
   push:
     branches: [main]
+    paths:
+      - '**.go'
+      - 'go.mod'
+      - 'go.sum'
+      - '.github/workflows/go.yml'
+      - 'testdata/**'
+
   pull_request:
     branches: [main]
+    paths:
+      - '**.go'
+      - 'go.mod'
+      - 'go.sum'
+      - '.github/workflows/go.yml'
+      - 'testdata/**'
 
 jobs:
   test: