[Composer] Upgrade to phpseclib version 3

- Create custom Key file format for Salmon Magic key
- Remove obsolete pemToME and MEtoPem Crypto methods
- Remove unused newECKeypair Crypto method
- Switch to constant-time Base64 encode/decode in Base64Url Strings methods

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "e8626dc6957dff9cc783daad10cfc26f",
+    "content-hash": "2e082bac083ca61cc0c22f7055d690bf",
     "packages": [
         {
             "name": "asika/simple-console",
@@ -2952,32 +2952,32 @@
         },
         {
             "name": "phpseclib/phpseclib",
-            "version": "2.0.38",
+            "version": "3.0.17",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpseclib/phpseclib.git",
-                "reference": "b03536539f43a4f9aa33c4f0b2f3a1c752088fcd"
+                "reference": "dbc2307d5c69aeb22db136c52e91130d7f2ca761"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/b03536539f43a4f9aa33c4f0b2f3a1c752088fcd",
-                "reference": "b03536539f43a4f9aa33c4f0b2f3a1c752088fcd",
+                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/dbc2307d5c69aeb22db136c52e91130d7f2ca761",
+                "reference": "dbc2307d5c69aeb22db136c52e91130d7f2ca761",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "paragonie/constant_time_encoding": "^1|^2",
+                "paragonie/random_compat": "^1.4|^2.0|^9.99.99",
+                "php": ">=5.6.1"
             },
             "require-dev": {
-                "phing/phing": "~2.7",
-                "phpunit/phpunit": "^4.8.35|^5.7|^6.0|^9.4",
-                "squizlabs/php_codesniffer": "~2.0"
+                "phpunit/phpunit": "*"
             },
             "suggest": {
+                "ext-dom": "Install the DOM extension to load XML formatted public keys.",
                 "ext-gmp": "Install the GMP (GNU Multiple Precision) extension in order to speed up arbitrary precision integer arithmetic operations.",
                 "ext-libsodium": "SSH2/SFTP can make use of some algorithms provided by the libsodium-php extension.",
                 "ext-mcrypt": "Install the Mcrypt extension in order to speed up a few other cryptographic operations.",
-                "ext-openssl": "Install the OpenSSL extension in order to speed up a wide variety of cryptographic operations.",
-                "ext-xml": "Install the XML extension to load XML formatted public keys."
+                "ext-openssl": "Install the OpenSSL extension in order to speed up a wide variety of cryptographic operations."
             },
             "type": "library",
             "autoload": {
@@ -2985,7 +2985,7 @@
                     "phpseclib/bootstrap.php"
                 ],
                 "psr-4": {
-                    "phpseclib\\": "phpseclib/"
+                    "phpseclib3\\": "phpseclib/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -3054,7 +3054,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-09-02T17:04:26+00:00"
+            "time": "2022-10-24T10:51:50+00:00"
         },
         {
             "name": "pragmarx/google2fa",