wi: new endpoint for listing workload attached ACL policies (#25588)

This introduces a new HTTP endpoint (and an associated CLI command) for querying
ACL policies associated with a workload identity. It allows users that want
to learn about the ACL capabilities from within WI-tasks to know what sort of
policies are enabled.

---------

Co-authored-by: Tim Gross <tgross@hashicorp.com>
Co-authored-by: Aimee Ukasick <aimee.ukasick@hashicorp.com>

api/acl.go

@@ -67,6 +67,16 @@ func (a *ACLPolicies) Info(policyName string, q *QueryOptions) (*ACLPolicy, *Que
 	return &resp, wm, nil
 }
 
+// Self is used to query policies attached to a workload identity
+func (a *ACLPolicies) Self(q *QueryOptions) ([]*ACLPolicyListStub, *QueryMeta, error) {
+	var resp []*ACLPolicyListStub
+	wm, err := a.client.query("/v1/acl/policy/self", &resp, q)
+	if err != nil {
+		return nil, nil, err
+	}
+	return resp, wm, nil
+}
+
 // ACLTokens is used to query the ACL token endpoints.
 type ACLTokens struct {
 	client *Client
@@ -509,6 +519,7 @@ func (a *ACLAuth) Login(req *ACLLoginRequest, q *WriteOptions) (*ACLToken, *Writ
 type ACLPolicyListStub struct {
 	Name        string
 	Description string
+	JobACL      *JobACL
 	CreateIndex uint64
 	ModifyIndex uint64
 }