Improve path-filtering rules on unit test action

Author: JoshMock

.github/workflows/tests.yml

@@ -1,39 +1,44 @@
 ---
 name: Unit tests
 on:
-  push:
-    paths-ignore:
-      - '**/*.md'
-      - '**/*.asciidoc'
-      - '**/*.txt'
-      - 'docs/**'
-      - '.ci/**'
-      - '.buildkite/**'
-      - 'scripts/**'
-      - 'catalog-info.yaml'
-  pull_request:
-    paths-ignore:
-      - '**/*.md'
-      - '**/*.asciidoc'
-      - '**/*.txt'
-      - 'docs/**'
-      - '.ci/**'
-      - '.buildkite/**'
-      - 'scripts/**'
-      - 'catalog-info.yaml'
+  pull_request: {}
 
 jobs:
+  paths-filter:
+    name: Detect files changed
+    runs-on: ubuntu-latest
+    outputs:
+      skip: '${{ steps.changes.outputs.skip }}'
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dorny/paths-filter/@v2.11.1
+        id: changes
+        with:
+          filters: |
+            skip:
+              - '**/*.md'
+              - '**/*.asciidoc'
+              - '**/*.txt'
+              - 'docs/**'
+              - '.ci/**'
+              - '.buildkite/**'
+              - 'scripts/**'
+              - 'catalog-info.yaml'
+
   test:
     name: Test
     runs-on: ${{ matrix.os }}
+    needs: paths-filter
+    # only run if files not in `skip` filter were changed
+    if: needs.paths-filter.outputs.skip != 'true'
 
     strategy:
       matrix:
         node-version: [16.x, 18.x, 20.x]
         os: [ubuntu-latest, windows-latest, macOS-latest]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v3
@@ -61,7 +66,7 @@ jobs:
         node-version: [20.x]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v3