ci: Remove PHP 5.3 - 7.1 from workflows

Author: DannyvdSluijs

.github/workflows/continuous-integration.yml

@@ -17,12 +17,6 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "5.3"
-          - "5.4"
-          - "5.5"
-          - "5.6"
-          - "7.0"
-          - "7.1"
           - "7.2"
           - "7.3"
           - "7.4"
@@ -33,10 +27,10 @@ jobs:
         dependencies: [highest]
         experimental: [false]
         include:
-          - php-version: "5.3"
+          - php-version: "7.2"
             dependencies: highest
             experimental: false
-          - php-version: "5.3"
+          - php-version: "7.2"
             dependencies: lowest
             experimental: false
 #          - php-version: "8.0"

.github/workflows/lint.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "5.3"
+          - "7.2"
           - "latest"
 
     steps: