Update Travis config

Author: Sergey Shinderuk

Diff for: .travis.yml

@@ -2,7 +2,7 @@ os:
     - linux
 
 sudo: required
-dist: trusty
+dist: jammy
 
 language: c
 
@@ -17,10 +17,8 @@ script:
     - docker-compose run tests
 
 env:
-    - PG_VERSION=10      CHECK_CODE=clang
-    - PG_VERSION=10      CHECK_CODE=cppcheck
-    - PG_VERSION=10      CHECK_CODE=false
     - PG_VERSION=11      CHECK_CODE=clang
+    - PG_VERSION=11      CHECK_CODE=cppcheck
     - PG_VERSION=11      CHECK_CODE=false
     - PG_VERSION=12      CHECK_CODE=clang
     - PG_VERSION=12      CHECK_CODE=false
@@ -30,3 +28,5 @@ env:
     - PG_VERSION=14      CHECK_CODE=false
     - PG_VERSION=15      CHECK_CODE=clang
     - PG_VERSION=15      CHECK_CODE=false
+    - PG_VERSION=16      CHECK_CODE=clang
+    - PG_VERSION=16      CHECK_CODE=false