Add class-leak checker. (#2973) #7165

Job	Run time
0️⃣ Kill previous runs	9s
1️⃣ PHP 8.3 - Syntax errors	45s
2️⃣ PHP 8.3 - PHPStan	1m 41s
2️⃣ PHP 8.3 - Code Style errors	1m 3s
2️⃣ PHP 8.3 - License Check	35s
2️⃣ JS front-end / Node 20	48s
2️⃣ PHP tests / 8.3 - mariadb -- Unit,Feature_v2	9m 19s
2️⃣ PHP tests / 8.3 - postgresql -- Unit,Feature_v2	9m 15s
2️⃣ PHP tests / 8.3 - sqlite -- Unit,Feature_v2	6m 37s
2️⃣ PHP tests legacy / 8.3 - mariadb -- Feature_v1	12m 39s
2️⃣ PHP tests legacy / 8.3 - postgresql -- Feature_v1	11m 16s
2️⃣ PHP tests legacy / 8.3 - sqlite -- Feature_v1	9m 11s
3️⃣ PHP dist / 8.3 - mariadb	1m 50s
3️⃣ PHP dist / 8.3 - postgresql	1m 36s
3️⃣ PHP dist / 8.3 - sqlite	3m 9s
4️⃣ Build Artifact	1m 8s
5️⃣ Release	0s
	1h 11m 1s

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