upgrade to ubuntu:22.04.

Author: chenwk96

.github/workflows/ci.yml

@@ -50,7 +50,7 @@ jobs:
       #
       matrix:
         container:
-          - ubuntu:21.10
+          - ubuntu:22.04
           - ubuntu:20.04
           - ubuntu:18.04
           - debian:bullseye

.github/workflows/linux-ci-helper.sh

@@ -61,7 +61,7 @@ CONFIGURE_OPTIONS="CXXFLAGS='-O -std=c++03 -DS3FS_PTHREAD_ERRORCHECK=1' --prefix
 #-----------------------------------------------------------
 # OS dependent variables
 #-----------------------------------------------------------
-if [ "${CONTAINER_FULLNAME}" = "ubuntu:21.10" ]; then
+if [ "${CONTAINER_FULLNAME}" = "ubuntu:22.04" ]; then
     PACKAGE_MANAGER_BIN="apt-get"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"