RenovateBot: Update docker Docker tag to v20.10.19

This MR contains the following updates:

Package	Type	Update	Change
docker	service-image	patch	20.10.18-dind -> 20.10.19-dind
docker	image	patch	20.10.18 -> 20.10.19

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.gitlab-ci.yml

@@ -27,13 +27,13 @@ cache:
 
 # Runnning E2E Test using docker compose and cypress
 e2e_test:
-  image: docker:20.10.18
+  image: docker:20.10.19
   stage: test
   tags:
     - mat-web-runner
   retry: 2
   services:
-    - docker:20.10.18-dind
+    - docker:20.10.19-dind
   variables:
     DOCKER_TLS_CERTDIR: "/certs"
   before_script:
@@ -77,7 +77,7 @@ build_frontend_with_placeholder_url:
 
 # Publish the container in the registry
 .container-build-template: &container-build-template
-  image: docker:20.10.18
+  image: docker:20.10.19
   tags:
     - mat-web-runner
   cache:
@@ -85,7 +85,7 @@ build_frontend_with_placeholder_url:
     paths:
       - node_modules/
   services:
-    - docker:20.10.18-dind
+    - docker:20.10.19-dind
   variables:
     DOCKER_TLS_CERTDIR: "/certs"
   before_script: