chore: update doc for buildType (#1647)

Signed-off-by: Anitha Natarajan <anataraj@redhat.com>

Author: anithapriyanatarajan

docs/predicate/slsa/v2.md

@@ -14,7 +14,7 @@ This buildType is based on the [SLSAv1.0 predicate](https://slsa.dev/spec/v1.0/p
 # Description
 
 ```
-"buildType": "https://tekton.dev/predicate/chains/slsa/v2"
+"buildType": "https://tekton.dev/chains/v2/slsa"
 ```
 
 This [buildType](https://slsa.dev/spec/v1.0/provenance#buildType) describes the execution of a build via a `PipelineRun` or a `TaskRun`.