Add devenv block for apache proxy working for Mac (#20119)

devenv/docker/blocks/apache_proxy_mac/Dockerfile

+FROM jmferrer/apache2-reverse-proxy:latest
+
+COPY ports.conf /etc/apache2/sites-enabled
+COPY proxy.conf /etc/apache2/sites-enabled
\ No newline at end of file

devenv/docker/blocks/apache_proxy_mac/docker-compose.yaml

+# This will proxy all requests for http://localhost:10081/grafana/ to
+# http://localhost:3000 (Grafana running locally)
+#
+# Please note that you'll need to change the root_url in the Grafana configuration:
+# root_url = %(protocol)s://%(domain)s:10081/grafana/
+
+  apacheproxy:
+    build: docker/blocks/apache_proxy_mac
+    ports:
+      - "10081:10081"

devenv/docker/blocks/apache_proxy_mac/ports.conf

+Listen 10081
\ No newline at end of file

devenv/docker/blocks/apache_proxy_mac/proxy.conf

+<VirtualHost *:10081>
+    ProxyPass /grafana/ http://host.docker.internal:3000/
+    ProxyPassReverse /grafana/ http://host.docker.internal:3000/
+</VirtualHost>