Bump distribution, add php8.2 testing

.travis.yml

@@ -1,7 +1,7 @@
 # @file
 # .travis.yml - PKP Plugins Integration
 
-dist: bionic
+dist: focal
 os: linux
 language: php
 
@@ -14,9 +14,12 @@ addons:
       - libvulkan1
       - libu2f-udev
 
+sudo: required
+
 php:
-  - 8.0
-  - 8.1
+  - 8.1.0
+  - 8.2.0
+
 env:
   - APPLICATION=ojs BRANCH=main TEST=mysql
   - APPLICATION=ojs BRANCH=main TEST=pgsql
@@ -26,6 +29,7 @@ env:
   - APPLICATION=ops BRANCH=main TEST=pgsql
 
 install:
+  - php --version | grep "PHP 8.2" && sudo apt-get install libonig5
   # Prepare OJS/OMP environment
   - git clone -b ${BRANCH} https://github.com/pkp/${APPLICATION} ~/${APPLICATION}
   - cd ~/${APPLICATION}
@@ -43,3 +47,5 @@ script:
   - $(npm bin)/cypress run --config '{"specPattern":["plugins/generic/customHeader/cypress/tests/functional/*.cy.js"]}'
 after_failure:
   - cat error.log
+  - sudo apt-get install sharutils
+  - tar cz cypress/screenshots | uuencode /dev/stdout