fix: compatibility with bash v5

Signed-off-by: Valentin Lab <valentin.lab@kalysto.org>

bin/compose

@@ -182,9 +182,9 @@ get_os() {
     uname_output="$(uname -s)"
     case "${uname_output}" in
         Linux*)
-            if [[ "$(< /proc/version)" == *@(Microsoft|WSL)* ]]; then
+            if [[ "$(< /proc/version)" =~ "@(Microsoft|WSL)" ]]; then
                 e wsl
-            # elif [[ "$(< /proc/version)" == *"@(microsoft|WSL)"* ]]; then
+            # elif [[ "$(< /proc/version)" =~ "@(microsoft|WSL)" ]]; then
             #     e wsl2
             else
                 e linux