build: fix govet lint errors with golangci-lint v1.60.1

There were a lot of instances of this lint error

    printf: non-constant format string in call to github.com/rclone/rclone/fs.Logf (govet)

Which were fixed by re-arranging the arguments and adding "%s".

There were quite a few genuine bugs which were found too.

fs/rc/internal.go

@@ -507,7 +507,7 @@ func rcRunCommand(ctx context.Context, in Params) (out Params, err error) {
 	var httpResponse http.ResponseWriter
 	httpResponse, err = in.GetHTTPResponseWriter()
 	if err != nil {
-		return nil, fmt.Errorf("response object is required\n" + err.Error())
+		return nil, fmt.Errorf("response object is required\n%w", err)
 	}
 
 	var allArgs = []string{}