Add flake8-annotations to linting checks

.flake8

@@ -1,4 +1,5 @@
 [flake8]
-ignore = E133,E221,E226,E228,E241,W503
+ignore = E133,E221,E226,E228,E241,W503,ANN101,ANN102,ANN401
+per-file-ignores=tests/*:ANN
 max-line-length = 99
 exclude = docs/*

.github/workflows/syntax.yml

@@ -22,9 +22,9 @@ jobs:
       - name: Checkout Source
         uses: actions/checkout@v4
       - name: Install flake8
-        run: pip install flake8 flake8-pep585
+        run: pip install -r requirements-dev.txt
       - name: Syntax Check
         run: |
           flake8 --version
           flake8 novelwriter --count --show-source --statistics
-          flake8 tests --count --show-source --statistics
+          flake8 tests --count --show-source --statistics --extend-ignore ANN

requirements-dev.txt

@@ -1,2 +1,3 @@
 flake8
 flake8-pep585
+flake8-annotations