libssh: Update to version 0.11.3

libssh: Update to version 0.11.3

- Update from version 0.11.2 to 0.11.3
- Update of rootfile
- Changelog
    0.11.3
	 * Security:
	   * CVE-2025-8114: Fix NULL pointer dereference after allocation failure
	   * CVE-2025-8277: Fix memory leak of ephemeral key pair during repeated
		wrong KEX
	   * Potential UAF when send() fails during key exchange
	 * Fix possible timeout during KEX if client sends authentication too early (#311)
	 * Cleanup OpenSSL PKCS#11 provider when loaded
	 * Zeroize buffers containing private key blobs during export

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>