Remove trusty add focal

.travis.yml

@@ -98,13 +98,20 @@ jobs:
         - libpq-dev
         - libmysqlclient-dev
         - libhiredis-dev
+  - os: osx
+    osx_image: xcode11.3
+ # - os: osx
+ #   osx_image: xcode11.6
+  - os: osx
+    osx_image: xcode12
   - os: linux
-    dist: trusty
+    arch: ppc64le
+    dist: focal
     sudo: required
     addons:
       apt:
         packages:
-        - mysql-client-5.6
+        - mysql-client
         - debhelper
         - dpkg-dev
         - libssl-dev
@@ -115,13 +122,7 @@ jobs:
         - libpq-dev
         - libmysqlclient-dev
         - libhiredis-dev
-  - os: osx
-    osx_image: xcode11.3
- # - os: osx
- #   osx_image: xcode11.6
-  - os: osx
-    osx_image: xcode12
-  - os: linux
+   - os: linux
     arch: ppc64le
     dist: xenial
     sudo: required