Validate composer.json as part of CI workflows (#1636)

* Add workflow to validate composer.json

* Add missing description to composer.json

* Add missing newline at EOF

* Auto-detect PHP version to use

.github/workflows/composer-validate.yml

@@ -0,0 +1,30 @@
+name: "Check validity of composer.json"
+
+on:
+ pull_request:
+ branches:
+ - "v*.*"
+ - "master"
+ - "feature/*"
+ push:
+ branches:
+ - "v*.*"
+ - "master"
+ - "feature/*"
+
+jobs:
+ composer-validate:
+ name: "Check validity of composer.json"
+ runs-on: "ubuntu-24.04"
+
+ steps:
+ - name: "Checkout"
+ uses: "actions/checkout@v4"
+ with:
+ submodules: true
+
+ - name: "Install PHP"
+ uses: "shivammathur/setup-php@v2"
+
+ - name: "Run composer validate"
+ run: "composer validate --strict"

composer.json

@@ -1,5 +1,6 @@
 {
  "name": "mongodb/mongodb-extension",
+ "description": "MongoDB driver extension",
  "type": "php-ext",
  "keywords": ["database", "driver", "mongodb", "persistence"],
  "homepage": "https://jira.mongodb.org/browse/PHPC",
@@ -69,4 +70,4 @@
  }
  ]
  }
-}
+}