Update dependency doorkeeper-jwt to v0.4.3 (#11838)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Gemfile.lock

@@ -255,7 +255,7 @@ GEM
       simpleidn (>= 0.0.5)
     doorkeeper (5.9.3)
       railties (>= 5)
-    doorkeeper-jwt (0.4.2)
+    doorkeeper-jwt (0.4.3)
       jwt (>= 2.1)
     doorkeeper-openid_connect (1.10.5)
       doorkeeper (>= 5.5, < 6.0)