ci: fix arch build

Dockerfile.arch

@@ -5,8 +5,9 @@ ENV CC="ccache gcc"
 
 RUN pacman -Syu --noconfirm
 # reflector is optional - if it fails due to network issues, continue with default mirrorlist
-RUN pacman -S --needed --noconfirm reflector && \
-    (reflector --latest 20 --protocol https --save --sort rate /etc/pacman.d/mirrorlist || true)
+#RUN pacman -S --needed --noconfirm reflector && \
+#    (reflector --latest 20 --protocol https --save --sort rate /etc/pacman.d/mirrorlist || true)
+RUN export DEBUGINFOD_URLS="https://debuginfod.archlinux.org"
 RUN pacman-key --init
 RUN pacman -S --needed --noconfirm \
   autoconf \
@@ -18,7 +19,6 @@ RUN pacman -S --needed --noconfirm \
   check \
   cmake \
   cmocka \
-  glibc \
   lcov \
   curl \
   debuginfod \