From 0b7a399fdb22d3fe8e8a3f41422347300dd2976a Mon Sep 17 00:00:00 2001
From: David Drysdale <drysdale@google.com>
Date: Tue, 11 Apr 2023 08:17:12 +0100
Subject: [PATCH] ci: move to ubuntu-20.04

Drop builds for 3.3 and 3.4
---
 .github/workflows/ci.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6c537dc98..cb74ecdc2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,10 +6,10 @@ permissions:
 jobs:
   build:
 
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
-        python-version: [2.7, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, "3.10", 3.11, pypy2.7, pypy3.9]
+        python-version: [2.7, 3.5, 3.6, 3.7, 3.8, 3.9, "3.10", 3.11, pypy2.7, pypy3.9]
 
     steps:
     - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3