Skip actions trigger when needed

Author: irazasyed

.github/workflows/code-style.yml

@@ -4,6 +4,8 @@ on: [push]
 
 jobs:
   php-cs-fixer:
+    if: "!contains(github.event.head_commit.message, 'skip ci')"
+
     runs-on: ubuntu-latest
 
     steps:

.github/workflows/coverage.yml

@@ -6,7 +6,10 @@ on:
 
 jobs:
     tests:
+        if: "!contains(github.event.head_commit.message, 'skip ci')"
+
         runs-on: ubuntu-latest
+
         name: Unit test coverage
 
         steps:

.github/workflows/tests.yml

@@ -6,6 +6,7 @@ on:
 
 jobs:
     tests:
+        if: "!contains(github.event.head_commit.message, 'skip ci')"
         runs-on: ubuntu-latest
         continue-on-error: ${{ matrix.experimental }}
         strategy: