Update CI to require php 7.2 for phpcs 4

Author: sirbrillig

.github/workflows/test.yml

@@ -37,6 +37,25 @@ jobs:
         php: ["5.5", "5.6", "7.0", "7.1", "7.2", "7.3"]
         phpcs_version: ["3.5.6", "4.0.0", "4.x-dev"]
 
+        exclude:
+          # PHPCS 4.x requires PHP 7.2+
+          - php: "5.5"
+            phpcs_version: "4.0.0"
+          - php: "5.5"
+            phpcs_version: "4.x-dev"
+          - php: "5.6"
+            phpcs_version: "4.0.0"
+          - php: "5.6"
+            phpcs_version: "4.x-dev"
+          - php: "7.0"
+            phpcs_version: "4.0.0"
+          - php: "7.0"
+            phpcs_version: "4.x-dev"
+          - php: "7.1"
+            phpcs_version: "4.0.0"
+          - php: "7.1"
+            phpcs_version: "4.x-dev"
+
         include:
           - php: "8.4"
             phpcs_version: "4.0.0"
@@ -152,7 +171,7 @@ jobs:
           - php: "7.4"
             phpcs_version: "3.5.6"
 
-          - php: "5.4"
+          - php: "7.2"
             phpcs_version: "4.x-dev"
           - php: "5.4"
             phpcs_version: "3.5.6"