feat: remove GHES 3.13, new Projects v2 endpoints, new code scanning dismissal endpoints, many other endpoints (#471)

BREAKING CHANGE: remove GHES 3.13

Author: octokit[bot]

cache/api.github.com.json

@@ -43,12 +43,6 @@
           "pkgRoot": "packages/openapi-types-ghec"
         }
       ],
-      [
-        "@semantic-release/npm",
-        {
-          "pkgRoot": "packages/openapi-types-ghes-3.13"
-        }
-      ],
       [
         "@semantic-release/npm",
         {

cache/ghec.json

@@ -16,6 +16,6 @@
   "author": "Gregor Martynus (https://twitter.com/gr2m)",
   "license": "MIT",
   "octokit": {
-    "openapi-version": "19.1.0"
+    "openapi-version": "20.0.0"
   }
 }