build: Build pipeline based off path filters

.github/workflows/build-without-paths.yml

@@ -0,0 +1,21 @@
+name: build
+
+on:
+  push:
+    paths-ignore:
+      - 'src/**'
+      - 'tests/**'
+      - '.github/**'
+    branches:
+      - '**'
+  pull_request:
+    paths-ignore:
+      - 'src/**'
+      - 'tests/**'
+      - '.github/**'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - run: 'echo "No build required"'

.github/workflows/build.yml

@@ -2,9 +2,17 @@ name: build
 
 on:
   push:
+    paths:
+      - 'src/**'
+      - 'tests/**'
+      - '.github/**'
     branches:
       - '**'
   pull_request:
+    paths:
+      - 'src/**'
+      - 'tests/**'
+      - '.github/**'
 
 jobs:
   install-cross: