Bumped PHP to 8.3

Author: marekdedic

.github/workflows/CI.yml

@@ -4,7 +4,7 @@ on:
     branches: "*"
   pull_request:
 env:
-  php-version: 8.2
+  php-version: 8.3
   cache-version: 1
 jobs:
   platform-check:
@@ -147,7 +147,7 @@ jobs:
     needs: build
     strategy:
       matrix:
-        versions: [{php: "5.6", wordpress: "4.9"}, {php: "5.6", wordpress: "5.9"}, {php: "5.6", wordpress: "6.2"}, {php: "7.4", wordpress: "latest"}, {php: "8.2", wordpress: "latest"}]
+        versions: [{php: "5.6", wordpress: "4.9"}, {php: "5.6", wordpress: "5.9"}, {php: "5.6", wordpress: "6.2"}, {php: "7.4", wordpress: "latest"}, {php: "8.3", wordpress: "latest"}]
     services:
       mysql:
         image: mysql:5

.github/workflows/release.yml

@@ -4,7 +4,7 @@ on:
     tags:
       - "*"
 env:
-  php-version: 8.2
+  php-version: 8.3
   cache-version: 1
 jobs:
   build: