Add compatibility workflows and integration tests (#1991)

Fixes #1986
Fixes #1994

- Updated .gitignore to include SSL certificate files.
- Introduced new GitHub Actions workflows for testing compatibility with
Zabbix versions 5.0, 6.0, 7.0, and 7.2.
- Added integration tests for Zabbix API for each version, ensuring
proper authentication and API version handling.
- Updated Docker Compose files to support SSL configuration for Zabbix
web services.
- Removed deprecated default Docker Compose and bootstrap files.
- Removed devenv for version 6.2.

devenv/zabbix60/docker-compose.yml

@@ -1,9 +1,21 @@
-version: '3'
-
 services:
+  ssl-cert:
+    image: alpine:latest
+    command: |
+      sh -c "if [ ! -f /certs/nginx.crt ] || [ ! -f /certs/nginx.key ]; then
+               apk add --no-cache openssl &&
+               mkdir -p /certs &&
+               openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /certs/nginx.key -out /certs/nginx.crt -subj '/C=US/ST=State/L=City/O=Organization/CN=localhost' &&
+               chmod 644 /certs/nginx.crt /certs/nginx.key
+             else
+               echo 'SSL certificates already exist, skipping generation'
+             fi"
+    volumes:
+      - ../nginx:/certs
+
   # Grafana
   grafana:
-    image: grafana/grafana:10.1.2
+    image: grafana/grafana:main
     ports:
       - '3001:3000'
     volumes:
@@ -32,12 +44,17 @@ services:
       ZBX_DEBUGLEVEL: 3
 
   zabbix-web:
-    image: zabbix/zabbix-web-apache-pgsql:alpine-6.0-latest
+    image: zabbix/zabbix-web-nginx-pgsql:alpine-6.0-latest
     ports:
+      - '443:443'
       - '8188:8080'
     depends_on:
       - database
       - zabbix-server
+    volumes:
+      - ../nginx:/etc/nginx/ssl:ro
+      - ../nginx/default.conf:/etc/nginx/http.d/default.conf:ro
+      - ../nginx/.htpasswd:/etc/nginx/.htpasswd:ro
     environment:
       ZBX_SERVER_HOST: zabbix-server
       ZBX_SERVER_PORT: 10051