Convert PEM to JKS

First convert to PKCS12:

openssl pkcs12 -export -in ${{ CERT_PEM }} -inkey ${{ KEY_PEM }} -out ${{ PKCS12_FILE }} -name "${{ CERT_NAME }}"

Import PKCS12 to JKS:

keytool -importkeystore -srckeystore ${{ PKCS12_FILE }} -srcstoretype pkcs12 -destkeystore ${{ JKS_FILE }} -deststoretype JKS