Update mccutchen/go-httpbin Docker tag from 2.18.0 to v2.18.1 (docker-compose.override.unit_tests_cicd.yml) (#12172)

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

Author: renovate[bot]

docker-compose.override.dev.yml

@@ -54,4 +54,4 @@ services:
         protocol: tcp
         mode: host
   "webhook.endpoint":
-    image: mccutchen/go-httpbin:2.18.0@sha256:402d89c482f99ddd053f0fdc8c6a2caa4fa20c4a804f37de640189518c636bf6
+    image: mccutchen/go-httpbin:2.18.1@sha256:ff73c96c144506048b1357ada7015b3473adc1d5bebc7088bc389bf5e64e114f

docker-compose.override.unit_tests.yml

@@ -53,7 +53,7 @@ services:
     image: busybox:1.37.0-musl
     entrypoint: ['echo', 'skipping', 'redis']
   "webhook.endpoint":
-    image: mccutchen/go-httpbin:2.18.0@sha256:402d89c482f99ddd053f0fdc8c6a2caa4fa20c4a804f37de640189518c636bf6
+    image: mccutchen/go-httpbin:2.18.1@sha256:ff73c96c144506048b1357ada7015b3473adc1d5bebc7088bc389bf5e64e114f
 volumes:
   defectdojo_postgres_unit_tests: {}
   defectdojo_media_unit_tests: {}

docker-compose.override.unit_tests_cicd.yml

@@ -52,7 +52,7 @@ services:
     image: busybox:1.37.0-musl
     entrypoint: ['echo', 'skipping', 'redis']
   "webhook.endpoint":
-    image: mccutchen/go-httpbin:2.18.0@sha256:402d89c482f99ddd053f0fdc8c6a2caa4fa20c4a804f37de640189518c636bf6
+    image: mccutchen/go-httpbin:2.18.1@sha256:ff73c96c144506048b1357ada7015b3473adc1d5bebc7088bc389bf5e64e114f
 volumes:
   defectdojo_postgres_unit_tests: {}
   defectdojo_media_unit_tests: {}