Adds linting of YAML files

.github/dependabot.yml

@@ -5,6 +5,6 @@ updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-        interval: "monthly"
+      interval: "monthly"
 
 ...

.github/workflows/linkcheck.yml

@@ -1,3 +1,5 @@
+---
+
 name: Check documentation's hyperlinks
 
 on:
@@ -11,6 +13,8 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-            python-version: "3.x"
+          python-version: "3.x"
       - run: pipx install hatch
       - run: hatch run docs:linkcheck
+
+...

.github/workflows/publish.yml

@@ -1,7 +1,7 @@
 ---
 
 name: Publish delb
-on:  # yamllint disable-line
+on:
   push:
     tags: ["*"]
 

.github/workflows/quality-checks.yml

@@ -25,7 +25,8 @@ jobs:
   build:
     runs-on: ubuntu-latest
     outputs:
-      python-versions: ${{ steps.baipp.outputs.supported_python_classifiers_json_array }}
+      python-versions: >-
+        ${{ steps.baipp.outputs.supported_python_classifiers_json_array }}
 
     steps:
       - uses: actions/checkout@v4
@@ -81,8 +82,8 @@ jobs:
     strategy:
       matrix:
         target:
-          - code-lint
           - doctest
+          - lint
           - mypy
     steps:
       - uses: actions/checkout@v4

Justfile

@@ -20,10 +20,6 @@ black:
 coverage-report:
     hatch run unit-tests:coverage-report
 
-# code linting with flake8
-code-lint:
-    hatch run linting:check
-
 # generate Sphinx HTML documentation, including API docs
 docs:
     hatch run docs:clean
@@ -34,6 +30,11 @@ doctest:
     hatch run docs:clean
     hatch run docs:doctest
 
+# code & data linting with flake8 & yamllint
+lint:
+    hatch run linting:check
+    pipx run yamllint $(find . -name "*.yaml" -or -name "*.yml")
+
 # run static type checks with mypy
 mypy:
     hatch run mypy:check
@@ -60,7 +61,7 @@ show-docs: docs
     xdg-open docs/build/html/index.html
 
 # run all tests on normalized code
-tests: black code-lint mypy pytest doctest
+tests: black lint mypy pytest doctest
 
 # run the testsuite against a wheel (installed from $WHEEL_PATH); intended to run on a CI platform
 test-wheel $WHEEL_PATH: