Merge pull request #409 from h2o/gfx/ci-openssl3

ci: use Ubuntu 22.04 to test picotls with OpenSSL 3.0
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 154f902..454ea7b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,6 +19,8 @@
             command: make -f misc/docker-ci.mk CMAKE_ARGS='-DOPENSSL_ROOT_DIR=-DOPENSSL_ROOT_DIR=/opt/openssl-1.1.0 -DWITH_FUSION=OFF' CONTAINER_NAME='h2oserver/h2o-ci:ubuntu1604'
           - name: "Linux / OpenSSL 1.1.1"
             command: make -f misc/docker-ci.mk
+          - name: "Linux / OpenSSL 3.0"
+            command: make -f misc/docker-ci.mk CONTAINER_NAME=h2oserver/h2o-ci:ubuntu2204
           - name: "Linux / OpenSSL 1.1.1 + ASan & UBSan"
             command: make -f misc/docker-ci.mk CMAKE_ARGS='-DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_C_FLAGS=-fsanitize=address,undefined -DCMAKE_CXX_FLAGS=-fsanitize=address,undefined' CHECK_ENVS='ASAN_OPTIONS=detect_leaks=0 UBSAN_OPTIONS=print_stacktrace=1:halt_on_error=1'