Add configurable option for paramiko banner_ssh timeout (#68184)

* Add configurable option for paramiko banner_ssh timeout

This PR adds a configurable option for paramiko connection
to control the value of banner timeout in paramiko library.
The banner timeout value can be set in ansible.cfg file as
The default value of banner timeout is set to 30 seconds in
paramiko connection plugin.
```
[paramiko_connection]
banner_timeout = 30
```
or using enviornment variable
```
export ANSIBLE_PARAMIKO_BANNER_TIMEOUT=30
```

* Fix CI failure

* Fix review comments

* Fix review comment

lib/ansible/plugins/connection/paramiko_ssh.py

@@ -128,6 +128,20 @@ DOCUMENTATION = """
         ini:
           - section: defaults
             key: use_persistent_connections
+      banner_timeout:
+        type: float
+        default: 30
+        description:
+          - Configures, in seconds, the amount of time to wait for the SSH
+            banner to be presented. This option is supported by paramiko
+            version 1.15.0 or newer.
+        ini:
+          - section: paramiko_connection
+            key: banner_timeout
+            version_added: '2.10'
+        env:
+          - name: ANSIBLE_PARAMIKO_BANNER_TIMEOUT
+            version_added: '2.10'
 # TODO:
 #timeout=self._play_context.timeout,
 """
@@ -343,6 +357,10 @@ class Connection(ConnectionBase):
             if LooseVersion(paramiko.__version__) >= LooseVersion('2.2.0'):
                 ssh_connect_kwargs['auth_timeout'] = self._play_context.timeout
 
+            # paramiko 1.15 introduced banner timeout parameter
+            if LooseVersion(paramiko.__version__) >= LooseVersion('1.15.0'):
+                ssh_connect_kwargs['banner_timeout'] = self.get_option('banner_timeout')
+
             ssh.connect(
                 self._play_context.remote_addr.lower(),
                 username=self._play_context.remote_user,