Run workflows on definition changes (#4125)

.github/workflows/benchmark.yaml

@@ -4,6 +4,7 @@ on:
   pull_request:
     paths:
       - 'polars/**'
+      - '.github/workflows/benchmark.yaml'
 jobs:
   test:
     runs-on: ubuntu-latest

.github/workflows/build-test.yaml

@@ -4,6 +4,7 @@ on:
   pull_request:
     paths:
       - 'polars/**'
+      - '.github/workflows/build-test.yaml'
 jobs:
 
   examples:

.github/workflows/coverage.yaml

@@ -8,6 +8,7 @@ on:
     paths:
       - 'polars/**'
       - 'py-polars/**'
+      - '.github/workflows/coverage.yaml'
 
 jobs:
   coverage:

.github/workflows/docs_check.yaml

@@ -4,6 +4,7 @@ on:
   pull_request:
     paths:
     - 'py-polars/**'
+    - '.github/workflows/docs_check.yaml'
 jobs:
   test:
     name: Docs check

.github/workflows/test-js.yaml

@@ -3,6 +3,7 @@ on:
   pull_request:
     paths:
       - 'nodejs-polars/**'
+      - '.github/workflows/test-js.yaml'
 jobs: 
   test-js: 
     runs-on: ubuntu-latest

.github/workflows/test-python.yaml

@@ -5,6 +5,7 @@ on:
     paths:
       - 'py-polars/**'
       - 'polars/**'
+      - '.github/workflows/test-python.yaml'
 jobs:
   test-python:
     name: Build and test Python

.github/workflows/test-windows-python.yaml

@@ -4,6 +4,7 @@ on:
   pull_request:
     paths:
       - 'py-polars/**'
+      - '.github/workflows/test-windows-python.yaml'
 jobs:
   test-python:
     name: Build and test Python