Enable Dependabot alerts for major Composer updates

This configuration file sets up Dependabot to check for major version updates to Composer dependencies on a weekly basis. Minor and patch updates are ignored to focus only on significant changes.

.github/dependabot.yml

@@ -0,0 +1,14 @@
+# Alerts only major updates for Packagist (Composer)
+#
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "composer" # Specify the correct package ecosystem for PHP
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"
+    ignore:
+      - dependency-name: "*" # Ignore all dependencies for specific update types
+        update-types: ["version-update:semver-minor", "version-update:semver-patch"]

.github/workflows/continuous-integration.yml

@@ -9,5 +9,5 @@ jobs:
   ci:
     uses: ray-di/.github/.github/workflows/continuous-integration.yml@v1
     with:
-      old_stable: '["7.2", "7.3", "7.4", "8.0", "8.1", , "8.2", , "8.3"]'
+      old_stable: '["7.2", "7.3", "7.4", "8.0", "8.1", "8.2", "8.3"]'
       current_stable: 8.4