-subj syntax doesn't work for git-for-windows / mingw users

[McGoffmann]

For

Hashicorp-Certified-Vault-Associate-Vault-Management/m3/1-run-vault.sh

Line 16 in 0092c4b

SUBJECT="/C=US/ST=Pennsylvania/L=Springfield/O=Globomantics/OU=IT/CN=Contoso"

, the following will work instead:
SUBJECT="//C=US\ST=Pennsylvania\L=Springfield\O=Globomantics\OU=IT\CN=Contoso"

Hashicorp-Certified-Vault-Associate-Vault-Management/m3/1-run-vault.sh

Line 43 in 0092c4b

openssl req -new -key $certPath/server1.key -out $certPath/server1.csr -subj "/CN=server1/O=server1" -config "$certPath/server1.conf"

openssl req -new -key $certPath/server1.key -out $certPath/server1.csr -subj "//CN=server1\O=server1" -config "$certPath/server1.conf"

Otherwise, bash tries to convert it to a path:
https://stackoverflow.com/questions/54258996/git-bash-string-parameter-with-at-start-is-being-expanded-to-a-file-path
https://www.appsloveworld.com/bash/100/3/running-openssl-from-a-bash-script-on-windows-subject-does-not-start-with