Disable optimizations and symbol stripping on debug builds (#6147)

Signed-off-by: Silvio Moioli <silvio@moioli.net>
Co-authored-by: Brad Davidson <brad@oatmail.org>

scripts/binary_size_check.sh

@@ -24,6 +24,11 @@ fi
 CMD_NAME="dist/artifacts/k3s${BIN_SUFFIX}"
 SIZE=$(stat -c '%s' ${CMD_NAME})
 
+if [ -n "${DEBUG}" ]; then
+    echo "DEBUG is set, ignoring binary size"
+    exit 0
+fi
+
 if [ ${SIZE} -gt ${MAX_BINARY_SIZE} ]; then
   echo "k3s binary ${CMD_NAME} size ${SIZE} exceeds max acceptable size of ${MAX_BINARY_SIZE} bytes (${MAX_BINARY_MB} MiB)"
   exit 1