Bump phan/phan from 2.6.0 to 2.6.1

Bumps [phan/phan](https://github.com/phan/phan) from 2.6.0 to 2.6.1.
- [Release notes](https://github.com/phan/phan/releases)
- [Changelog](https://github.com/phan/phan/blob/master/NEWS.md)
- [Commits](https://github.com/phan/phan/compare/2.6.0...2.6.1

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

composer.lock

@@ -738,7 +738,7 @@
             "license": [
                 "LGPL-2.1"
             ],
-            "description": "Provides abstract class for use in creating PHP network socket clients."
+            "description": "A library that provides an abstract PHP network socket client."
         },
         {
             "name": "pear-pear.horde.org/Horde_Stream",
@@ -1389,20 +1389,20 @@
         },
         {
             "name": "felixfbecker/advanced-json-rpc",
-            "version": "v3.1.0",
+            "version": "v3.1.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/felixfbecker/php-advanced-json-rpc.git",
-                "reference": "a407a6cb0325cd489c6dff57afcba6baeccc0483"
+                "reference": "0ed363f8de17d284d479ec813c9ad3f6834b5c40"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/felixfbecker/php-advanced-json-rpc/zipball/a407a6cb0325cd489c6dff57afcba6baeccc0483",
-                "reference": "a407a6cb0325cd489c6dff57afcba6baeccc0483",
+                "url": "https://api.github.com/repos/felixfbecker/php-advanced-json-rpc/zipball/0ed363f8de17d284d479ec813c9ad3f6834b5c40",
+                "reference": "0ed363f8de17d284d479ec813c9ad3f6834b5c40",
                 "shasum": ""
             },
             "require": {
-                "netresearch/jsonmapper": "^1.0",
+                "netresearch/jsonmapper": "^1.0 || ^2.0",
                 "php": ">=7.0",
                 "phpdocumentor/reflection-docblock": "^4.0.0 || ^5.0.0"
             },
@@ -1426,7 +1426,7 @@
                 }
             ],
             "description": "A more advanced JSONRPC implementation",
-            "time": "2020-02-11T20:48:40+00:00"
+            "time": "2020-03-11T15:21:41+00:00"
         },
         {
             "name": "felixfbecker/language-server-protocol",
@@ -1763,16 +1763,16 @@
         },
         {
             "name": "phan/phan",
-            "version": "2.6.0",
+            "version": "2.6.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phan/phan.git",
-                "reference": "d082d19370ff87e6036073eaccda7c06ddc3f53e"
+                "reference": "184c591e5b31c1f98426ed8e147a61864bd0cc96"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phan/phan/zipball/d082d19370ff87e6036073eaccda7c06ddc3f53e",
-                "reference": "d082d19370ff87e6036073eaccda7c06ddc3f53e",
+                "url": "https://api.github.com/repos/phan/phan/zipball/184c591e5b31c1f98426ed8e147a61864bd0cc96",
+                "reference": "184c591e5b31c1f98426ed8e147a61864bd0cc96",
                 "shasum": ""
             },
             "require": {
@@ -1783,7 +1783,7 @@
                 "ext-tokenizer": "*",
                 "felixfbecker/advanced-json-rpc": "^3.0.4",
                 "microsoft/tolerant-php-parser": "0.0.20",
-                "netresearch/jsonmapper": "^1.6.0",
+                "netresearch/jsonmapper": "^1.6.0|^2.0",
                 "php": "^7.1.0",
                 "sabre/event": "^5.0",
                 "symfony/console": "^2.3|^3.0|^4.0|^5.0",
@@ -1832,7 +1832,7 @@
                 "php",
                 "static"
             ],
-            "time": "2020-03-07T19:01:06+00:00"
+            "time": "2020-03-13T21:34:53+00:00"
         },
         {
             "name": "phar-io/manifest",
@@ -2605,12 +2605,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/Roave/SecurityAdvisories.git",
-                "reference": "f0eca1ac3194cc94726f0bb366672f38629272b4"
+                "reference": "b68e249f4348e45a501e2e6f591e79e61b70453c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Roave/SecurityAdvisories/zipball/f0eca1ac3194cc94726f0bb366672f38629272b4",
-                "reference": "f0eca1ac3194cc94726f0bb366672f38629272b4",
+                "url": "https://api.github.com/repos/Roave/SecurityAdvisories/zipball/b68e249f4348e45a501e2e6f591e79e61b70453c",
+                "reference": "b68e249f4348e45a501e2e6f591e79e61b70453c",
                 "shasum": ""
             },
             "conflict": {
@@ -2750,6 +2750,7 @@
                 "socalnick/scn-social-auth": "<1.15.2",
                 "spoonity/tcpdf": "<6.2.22",
                 "squizlabs/php_codesniffer": ">=1,<2.8.1|>=3,<3.0.1",
+                "ssddanbrown/bookstack": "<0.25.3",
                 "stormpath/sdk": ">=0,<9.9.99",
                 "studio-42/elfinder": "<2.1.49",
                 "swiftmailer/swiftmailer": ">=4,<5.4.5",
@@ -2857,7 +2858,7 @@
                 }
             ],
             "description": "Prevents installation of composer packages with known security vulnerabilities: no API, simply require it",
-            "time": "2020-03-03T17:52:54+00:00"
+            "time": "2020-03-14T00:01:35+00:00"
         },
         {
             "name": "sabre/event",