The symfony execution file could not be found when building the workspace.
```shell
#0 17.14 Symfony CLI installer
#0 17.14
#0 17.14 Environment check
#0 17.14 [*] cURL is installed
#0 17.14 [*] Tar is installed
#0 17.14 [*] Git is installed
#0 17.15 [*] Your architecture (amd64) is supported
#0 17.15
#0 17.15 Download
#0 17.19 Downloading https://github.com/symfony-cli/symfony-cli/releases/latest/download/symfony-cli_linux_amd64.tar.gz..
#0 17.30 % Total % Received % Xferd Average Speed Time Time Time Current
#0 17.30 Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
0 0 0 0 0 0 0 0 --:--:-- 0:00:01 --:--:-- 0
100 5228k 100 5228k 0 0 1598k 0 0:00:03 0:00:03 --:--:-- 2849k
#0 20.59 Uncompress binary...
#0 20.98 Installing the binary into your home directory...
#0 21.01 The binary was saved to: /root/.symfony5/bin/symfony
#0 21.01
#0 21.01 The Symfony CLI was installed successfully!
#0 21.01
#0 21.01 Use it as a local file:
#0 21.01 /root/.symfony5/bin/symfony
#0 21.01
#0 21.01 Or add the following line to your shell configuration file:
#0 21.01 export PATH="$HOME/.symfony5/bin:$PATH"
#0 21.01
#0 21.01 Or install it globally on your system:
#0 21.01 mv /root/.symfony5/bin/symfony /usr/local/bin/symfony
#0 21.01
#0 21.01 Then start a new shell and run 'symfony'
#0 21.04 mv: cannot stat '/root/.symfony/bin/symfony': No such file or directory
------
failed to solve: executor failed running [/bin/sh -c if [ ${INSTALL_SYMFONY} = true ]; then mkdir -p /usr/local/bin && 1
```
