chore: remove dlp from release-please and bump postprocessor (#12862)

Author: quartzmo

.github/.OwlBot.lock.yaml

@@ -13,4 +13,4 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-go:infrastructure-public-image-latest
-  digest: sha256:8e0381d37490c9156d5e82398438e45d318142eb8ff9db3f7f039f056fecb993
+  digest: sha256:c85470532348a8e8c64dfe7d554b008368c1f780e7874a5f064b693721063517

.release-please-manifest-submodules.json

@@ -59,7 +59,6 @@
     "devicestreaming": "0.1.0",
     "dialogflow": "1.69.0",
     "discoveryengine": "1.20.0",
-    "dlp": "0.0.0",
     "documentai": "1.38.0",
     "domains": "0.10.6",
     "edgecontainer": "1.4.3",

release-please-config-yoshi-submodules.json

@@ -183,9 +183,6 @@
         "discoveryengine": {
             "component": "discoveryengine"
         },
-        "dlp": {
-            "component": "dlp"
-        },
         "documentai": {
             "component": "documentai"
         },