Update PHP/WP combinations.

Author: costdev

.github/workflows/phpunit-tests.yml

@@ -35,8 +35,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-version: [ '7.2.24', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4' ]
-        wp-version: [ '4.9', '5.0', '5.1', '5.2', '5.3', '5.4', '5.5', '5.6', '5.7', '5.8', '5.9', '6.0', '6.1', '6.2', '6.3', '6.4', '6.5', '6.6', '6.7' ]
+        php-version: [ '7.4', '8.0', '8.1', '8.2', '8.3', '8.4' ]
+        wp-version: [ '5.4', '5.5', '5.6', '5.7', '5.8', '5.9', '6.0', '6.1', '6.2', '6.3', '6.4', '6.5', '6.6', '6.7' ]
         exclude:
           # PHP 8.4 exclusions
           - wp-version: '6.6'
@@ -65,16 +65,6 @@ jobs:
             php-version: '8.4'
           - wp-version: '5.4'
             php-version: '8.4'
-          - wp-version: '5.3'
-            php-version: '8.4'
-          - wp-version: '5.2'
-            php-version: '8.4'
-          - wp-version: '5.1'
-            php-version: '8.4'
-          - wp-version: '5.0'
-            php-version: '8.4'
-          - wp-version: '4.9'
-            php-version: '8.4'
 
           # PHP 8.3 exclusions
           - wp-version: '6.3'
@@ -97,16 +87,6 @@ jobs:
             php-version: '8.3'
           - wp-version: '5.4'
             php-version: '8.3'
-          - wp-version: '5.3'
-            php-version: '8.3'
-          - wp-version: '5.2'
-            php-version: '8.3'
-          - wp-version: '5.1'
-            php-version: '8.3'
-          - wp-version: '5.0'
-            php-version: '8.3'
-          - wp-version: '4.9'
-            php-version: '8.3'
 
           # PHP 8.2 exclusions
           - wp-version: '6.0'
@@ -123,16 +103,6 @@ jobs:
             php-version: '8.2'
           - wp-version: '5.4'
             php-version: '8.2'
-          - wp-version: '5.3'
-            php-version: '8.2'
-          - wp-version: '5.2'
-            php-version: '8.2'
-          - wp-version: '5.1'
-            php-version: '8.2'
-          - wp-version: '5.0'
-            php-version: '8.2'
-          - wp-version: '4.9'
-            php-version: '8.2'
 
           # PHP 8.1 exclusions
           - wp-version: '5.8'
@@ -145,16 +115,6 @@ jobs:
             php-version: '8.1'
           - wp-version: '5.4'
             php-version: '8.1'
-          - wp-version: '5.3'
-            php-version: '8.1'
-          - wp-version: '5.2'
-            php-version: '8.1'
-          - wp-version: '5.1'
-            php-version: '8.1'
-          - wp-version: '5.0'
-            php-version: '8.1'
-          - wp-version: '4.9'
-            php-version: '8.1'
 
           # PHP 8 exclusions
           - wp-version: '5.8' # Should work, currently doesn't.
@@ -167,32 +127,6 @@ jobs:
             php-version: '8.0'
           - wp-version: '5.4'
             php-version: '8.0'
-          - wp-version: '5.3'
-            php-version: '8.0'
-          - wp-version: '5.2'
-            php-version: '8.0'
-          - wp-version: '5.1'
-            php-version: '8.0'
-          - wp-version: '5.0'
-            php-version: '8.0'
-          - wp-version: '4.9'
-            php-version: '8.0'
-
-          # PHP 7.4 exclusions
-          - wp-version: '5.3'
-            php-version: '7.4'
-          - wp-version: '5.2'
-            php-version: '7.4'
-          - wp-version: '5.1'
-            php-version: '7.4'
-          - wp-version: '5.0'
-            php-version: '7.4'
-          - wp-version: '4.9'
-            php-version: '7.4'
-
-          # PHP 7.3 exclusions
-          - wp-version: '4.9'
-            php-version: '7.3'
 
     steps:
       - name: Checkout