added workaround for running on older kernel

Dockerfile

@@ -4,6 +4,13 @@ LABEL Description="This image is based on Archlinux and is used for running game
       Version="0.1" \
       License="MIT"
 
+# WORKAROUND for glibc 2.33 and old Docker
+# See https://github.com/actions/virtual-environments/issues/2658
+# Thanks to https://github.com/lxqt/lxqt-panel/pull/1562
+RUN patched_glibc=glibc-linux4-2.33-4-x86_64.pkg.tar.zst && \
+    curl -LO "https://repo.archlinuxcn.org/x86_64/$patched_glibc" && \
+    bsdtar -C / -xvf "$patched_glibc"
+
 ENV USER_ID=1000
 ENV GROUP_ID=1000
 ENV USERNAME=steam