tools: ignore unrelated workflow changes in slow Actions tests

Changes in the workflow files never affect the node binary, running
build tasks seems unnecessary.

Refs: nodejs#40928

.github/workflows/build-windows.yml

@@ -4,6 +4,8 @@ on:
   pull_request:
     paths-ignore:
       - "README.md"
+      - .github/**
+      - '!.github/workflows/build-windows.yml'
     types: [opened, synchronize, reopened, ready_for_review]
   push:
     branches:
@@ -14,6 +16,8 @@ on:
       - v[0-9]+.x
     paths-ignore:
       - "README.md"
+      - .github/**
+      - '!.github/workflows/build-windows.yml'
 
 env:
   PYTHON_VERSION: '3.10'

.github/workflows/coverage-linux.yml

@@ -8,6 +8,8 @@ on:
       - 'benchmark/**'
       - 'deps/**'
       - 'doc/**'
+      - .github/**
+      - '!.github/workflows/coverage-linux.yml'
   push:
     branches:
       - master
@@ -17,6 +19,8 @@ on:
       - 'benchmark/**'
       - 'deps/**'
       - 'doc/**'
+      - .github/**
+      - '!.github/workflows/coverage-linux.yml'
 
 env:
   PYTHON_VERSION: '3.10'

.github/workflows/coverage-windows.yml

@@ -9,6 +9,8 @@ on:
       - 'deps/**'
       - 'doc/**'
       - 'tools/**'
+      - .github/**
+      - '!.github/workflows/coverage-windows.yml'
   push:
     branches:
       - master
@@ -19,6 +21,8 @@ on:
       - 'deps/**'
       - 'doc/**'
       - 'tools/**'
+      - .github/**
+      - '!.github/workflows/coverage-windows.yml'
 
 env:
   PYTHON_VERSION: '3.10'