Make agent to use preinstalled Maven in offline mode

Author: xpinjection

AGENTS.md

@@ -1,10 +1,11 @@
 # Contributor Guide
 
 ## Dev Environment Tips
-- Use `./mvnw compile` to quickly compile the project.
+- If project dependencies didn't change run all Maven commands with --offline flag to avoid internet usage
+- Use `mvn compile --offline` to quickly compile the project.
 
 ## Testing Instructions
-- Use `./mvnw verify -Dtestcontainers.enabled=false` command to execute all tests.
+- Use `mvn verify -Dtestcontainers.enabled=false --offline` command to execute all tests.
 - The commit should pass all tests before you merge.
-- To verify changes in a single class, execute tests for this class with `./mvnw -Dtest="TestClassName" test -Dtestcontainers.enabled=false` command.
+- To verify changes in a single class, execute tests for this class with `mvn -Dtest="TestClassName" test -Dtestcontainers.enabled=false --offline` command.
 - Fix any test errors until the whole suite is green.