CLD-6297 - E2E tests improvements (#24541)

* Improve e2etests readme, remove unused apt install
* Add testing E2E Tests MultiOS
* Get rid of deprecation warning
* Smart selection of docker network driver for different OSes
* Unify makefile invocation for windows as well
* Tune JVM for ES and Keycloak
* fix: Made required changes to run locally on arm MacOS
* fix: FIxed network command and removed dashboard node user as it is not needed
* fix: make dashboard work for Mac
* Make runs without dashboard work again, make BROWSE tunable and document it

---------

Co-authored-by: Mattermost Build <build@mattermost.com>
Co-authored-by: Antonis Stamatiou <stamatiou.antonis@gmail.com>

server/build/gitlab-dc.common.yml

@@ -47,7 +47,7 @@ services:
       http.cors.allow-headers: "X-Requested-With,X-Auth-Token,Content-Type,Content-Length,Authorization"
       http.cors.allow-credentials: "true"
       transport.host: "127.0.0.1"
-      ES_JAVA_OPTS: "-Xms512m -Xmx512m"
+      ES_JAVA_OPTS: "-Xms512m -Xmx2G"
     healthcheck:
       test: [ "CMD", "bash", "-o", "pipefail", "-c", "curl --silent localhost:9200/_cat/health | awk '{ print $$4 }' | grep -qE '^green$$'" ]
       interval: 10s
@@ -68,6 +68,7 @@ services:
       KEYCLOAK_PASSWORD: mostest
       DB_VENDOR: h2
       KEYCLOAK_IMPORT: /setup/realm.json
+      JAVA_OPTS: "-Xms64m -Xmx2G -XX:MetaspaceSize=96M -XX:MaxMetaspaceSize=256m -Djava.net.preferIPv4Stack=true -Djboss.modules.system.pkgs=org.jboss.byteman -Djava.awt.headless=true"
     volumes:
      - "./docker/keycloak:/setup"
     healthcheck:

server/build/gitlab-dc.mysql.yml

@@ -96,5 +96,5 @@ services:
 
 networks:
   default:
-    external:
-      name: ${COMPOSE_PROJECT_NAME}
+    name: ${COMPOSE_PROJECT_NAME}
+    external: true

server/build/gitlab-dc.postgres.yml

@@ -94,5 +94,5 @@ services:
 
 networks:
   default:
-    external:
-      name: ${COMPOSE_PROJECT_NAME}
+    name: ${COMPOSE_PROJECT_NAME}
+    external: true

server/build/gitlab-dc.schemamysql.yml

@@ -32,5 +32,5 @@ services:
 
 networks:
   default:
-    external:
-      name: ${COMPOSE_PROJECT_NAME}
+    name: ${COMPOSE_PROJECT_NAME}
+    external: true

server/build/gitlab-dc.schemapostgres.yml

@@ -30,5 +30,5 @@ services:
 
 networks:
   default:
-    external:
-      name: ${COMPOSE_PROJECT_NAME}
+    name: ${COMPOSE_PROJECT_NAME}
+    external: true