Use /dev/stdin instead of -, which seems to be only supported by newe…

…r openssl versions.

tests/integration/targets/openssl_csr_pipe/tasks/impl.yml

@@ -63,13 +63,13 @@
   register: privatekey_modulus
 
 - name: "({{ select_crypto_backend }}) Validate CSR (test - Common Name)"
-  shell: "openssl req -noout -subject -in - -nameopt oneline,-space_eq"
+  shell: "openssl req -noout -subject -in /dev/stdin -nameopt oneline,-space_eq"
   args:
     stdin: "{{ generate_csr.csr }}"
   register: csr_cn
 
 - name: "({{ select_crypto_backend }}) Validate CSR (test - csr modulus)"
-  shell: 'openssl req -noout -modulus -in -'
+  shell: 'openssl req -noout -modulus -in /dev/stdin'
   args:
     stdin: "{{ generate_csr.csr }}"
   register: csr_modulus