stylix: yamlint ignore truthy for workflows (#1116)

Link: https://github.com/nix-community/stylix/pull/1116

Co-authored-by: NAHO <90870942+trueNAHO@users.noreply.github.com>
Reviewed-by: NAHO <90870942+trueNAHO@users.noreply.github.com>

.github/workflows/backport.yml

@@ -3,7 +3,7 @@
 # https://github.com/NixOS/nixpkgs/blob/2566f9dcb469b06241519a8185863d67773f943a/.github/workflows/backport.yml
 name: Backport
 
-on:  # yamllint disable-line rule:truthy
+on:
   pull_request_target:
     types: [closed, labeled]
 

.github/workflows/check.yml

@@ -1,7 +1,7 @@
 ---
 name: Check
 
-on:  # yamllint disable-line rule:truthy
+on:
   push:
     branches:
       - master

.github/workflows/conflicts.yml

@@ -1,7 +1,7 @@
 ---
 name: Label Merge Conflicts
 
-on:  # yamllint disable-line rule:truthy
+on:
   push:
     branches:
       - master

.github/workflows/docs.yml

@@ -1,7 +1,7 @@
 ---
 name: Docs
 
-on:  # yamllint disable-line rule:truthy
+on:
   push:
     branches:
       - master

.github/workflows/labels.yml

@@ -9,7 +9,7 @@
 ---
 name: "Label PR"
 
-on:   # yamllint disable-line rule:truthy
+on:
   pull_request_target:
     types: [edited, opened, synchronize, reopened]
 

.github/workflows/update-flake.yml

@@ -1,7 +1,7 @@
 ---
 name: Update flake inputs
 
-on:  # yamllint disable-line rule:truthy
+on:
   schedule:
     - cron: "0 0 1 * *"
   workflow_dispatch:
@@ -34,11 +34,11 @@ jobs:
           commit-msg: "flake: update all inputs"
           pr-title: "${{ startsWith(matrix.branch, 'release') && format('[{0}] ', matrix.branch) || '' }}stylix: update all flake inputs"   # yamllint disable-line rule:line-length
           pr-labels: "topic: dependencies"
-          # yamllint disable rule:line-length
-          pr-body: |
-            Automated changes by the [update-flake-lock](https://github.com/DeterminateSystems/update-flake-lock) GitHub Action.
+          pr-body: >
+            Automated changes by the
+            [update-flake-lock](https://github.com/DeterminateSystems/update-flake-lock)
+            GitHub Action.
 
             ```
             {{ env.GIT_COMMIT_MESSAGE }}
             ```
-          # yamllint enable rule:line-length

.yamllint.yml

@@ -0,0 +1,6 @@
+---
+extends: default
+
+rules:
+  truthy:
+    ignore: .github/workflows/*