bump compose-go to version v2.6.0

Signed-off-by: Guillaume Lours <705411+glours@users.noreply.github.com>

vendor/github.com/compose-spec/compose-go/v2/dotenv/godotenv.go

@@ -41,16 +41,23 @@ func Parse(r io.Reader) (map[string]string, error) {
 
 // ParseWithLookup reads an env file from io.Reader, returning a map of keys and values.
 func ParseWithLookup(r io.Reader, lookupFn LookupFn) (map[string]string, error) {
+	vars := map[string]string{}
+	err := parseWithLookup(r, vars, lookupFn)
+	return vars, err
+}
+
+// ParseWithLookup reads an env file from io.Reader, returning a map of keys and values.
+func parseWithLookup(r io.Reader, vars map[string]string, lookupFn LookupFn) error {
 	data, err := io.ReadAll(r)
 	if err != nil {
-		return nil, err
+		return err
 	}
 
 	// seek past the UTF-8 BOM if it exists (particularly on Windows, some
 	// editors tend to add it, and it'll cause parsing to fail)
 	data = bytes.TrimPrefix(data, utf8BOM)
 
-	return UnmarshalBytesWithLookup(data, lookupFn)
+	return newParser().parse(string(data), vars, lookupFn)
 }
 
 // Load will read your env file(s) and load them into ENV for this process.