[ci] Switch to bionic and clang-tidy-10

I was reminded by <koreader#349 (comment)> that the current clang-tidy is a few years old. It mainly includes new checks but it might also behave or display more intelligently here and there.
Frenzie · Jun 30, 2020 · 5ff1098 · 5ff1098
1 parent ff3640d
commit 5ff1098
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 language: cpp
 
-dist: xenial
+dist: bionic
 sudo: false
 
 cache:
@@ -9,7 +9,7 @@ cache:
 addons:
   apt:
     packages:
-      - clang-tidy-5.0
+      - clang-tidy-10
       - cppcheck
       - jq
       # provides xmllint