Bump actions/attest-build-provenance from 2.0.1 to 2.1.0 #6570

Job	Run time
0️⃣ Kill previous runs	8s
1️⃣ PHP 8.2 - Syntax errors	43s
2️⃣ PHP 8.2 - PHPStan	1m 19s
2️⃣ PHP 8.2 - Code Style errors	54s
2️⃣ JS front-end / Node 20	42s
2️⃣ PHP tests / 8.3 - mariadb -- Unit,Feature_v2	5m 4s
2️⃣ PHP tests / 8.3 - postgresql -- Unit,Feature_v2	4m 34s
2️⃣ PHP tests / 8.3 - sqlite -- Unit,Feature_v2	4m 36s
2️⃣ PHP tests legacy / 8.3 - mariadb -- Feature_v1	9m 11s
2️⃣ PHP tests legacy / 8.3 - postgresql -- Feature_v1	8m 49s
2️⃣ PHP tests legacy / 8.3 - sqlite -- Feature_v1	8m 19s
3️⃣ PHP dist / 8.2 - mariadb	2m 0s
3️⃣ PHP dist / 8.2 - postgresql	1m 41s
3️⃣ PHP dist / 8.2 - sqlite	1m 51s
4️⃣ Build Artifact	0s
5️⃣ Release	0s
	49m 51s

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