Updated availability of algorithms in Dropbear. (#257)

test/docker/expected_results/tinyssh_20190101_test1.txt

@@ -1,6 +1,6 @@
 # general
 (gen) software: TinySSH noversion
-(gen) compatibility: OpenSSH 8.0-8.4, Dropbear SSH 2018.76+
+(gen) compatibility: OpenSSH 8.0-8.4, Dropbear SSH 2020.79+
 (gen) compression: disabled
 
 # key exchange algorithms
@@ -13,11 +13,11 @@
                                               `- [info] the sntrup4591761 algorithm was withdrawn, as it may not provide strong post-quantum security
 
 # host-key algorithms
-(key) ssh-ed25519                             -- [info] available since OpenSSH 6.5
+(key) ssh-ed25519                             -- [info] available since OpenSSH 6.5, Dropbear SSH 2020.79
 
 # encryption algorithms (ciphers)
 (enc) chacha20-poly1305@openssh.com           -- [warn] vulnerable to the Terrapin attack (CVE-2023-48795), allowing message prefix truncation
-                                              `- [info] available since OpenSSH 6.5
+                                              `- [info] available since OpenSSH 6.5, Dropbear SSH 2020.79
                                               `- [info] default cipher since OpenSSH 6.9
 
 # message authentication code algorithms