Add paths-ignore to workflows.

Author: Beykan Şen

.github/workflows/build_and_push.yml

@@ -4,6 +4,8 @@ on:
   push:
     branches:
       - 'master'
+    paths-ignore:
+      - '**.md'
 
 jobs:
   test:

.github/workflows/codeql-analysis.yml

@@ -14,9 +14,13 @@ name: "CodeQL"
 on:
   push:
     branches: [ "master" ]
+    paths-ignore:
+      - '**.md'
   pull_request:
     # The branches below must be a subset of the branches above
     branches: [ "master" ]
+    paths-ignore:
+      - '**.md'
   schedule:
     - cron: '29 3 * * 3'