Add tailscale driver

Signed-off-by: Bryan Frimin <bryan@probo.com>

pkg/accessreview/drivers/testdata/tailscale.yaml

@@ -0,0 +1,28 @@
+---
+version: 2
+interactions:
+    - id: 0
+      request:
+        proto: HTTP/1.1
+        proto_major: 1
+        proto_minor: 1
+        content_length: 0
+        host: api.tailscale.com
+        headers:
+            Accept:
+                - application/json
+        url: https://api.tailscale.com/api/v2/tailnet/-/users
+        method: GET
+      response:
+        proto: HTTP/2.0
+        proto_major: 2
+        proto_minor: 0
+        content_length: -1
+        uncompressed: true
+        body: '{"users":[{"id":"u1abc123","displayName":"Jane Doe","loginName":"jane@acme.example.com","profilePicUrl":"","tailnetId":"tn1","created":"2024-01-15T10:00:00Z","type":"member","role":"admin","status":"active","deviceCount":2,"lastSeen":"2025-03-01T08:30:00Z","currentlyConnected":true},{"id":"u2def456","displayName":"Bob Smith","loginName":"bob@acme.example.com","profilePicUrl":"","tailnetId":"tn1","created":"2024-06-20T14:00:00Z","type":"member","role":"member","status":"suspended","deviceCount":0,"lastSeen":"2024-12-01T12:00:00Z","currentlyConnected":false}]}'
+        headers:
+            Content-Type:
+                - application/json
+        status: 200 OK
+        code: 200
+        duration: 100ms