ci: include workflow files in their own path filters

Author: mr-raj12

.github/workflows/black.yaml

@@ -8,10 +8,12 @@ on:
     paths:
       - '**.py'
       - 'pyproject.toml'
+      - '.github/workflows/black.yaml'
   pull_request:
     paths:
       - '**.py'
       - 'pyproject.toml'
+      - '.github/workflows/black.yaml'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}

.github/workflows/codeql-analysis.yml

@@ -10,6 +10,7 @@ on:
       - '**.pyx'
       - '**.c'
       - '**.h'
+      - '.github/workflows/codeql-analysis.yml'
   pull_request:
     # The branches below must be a subset of the branches above
     branches: [ master ]
@@ -18,6 +19,7 @@ on:
       - '**.pyx'
       - '**.c'
       - '**.h'
+      - '.github/workflows/codeql-analysis.yml'
   schedule:
     - cron: '39 2 * * 5'