Update dependency @docusaurus/core to v2.0.0-alpha.56 (#1547)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

website/package.json

@@ -9,7 +9,7 @@
     "deploy": "docusaurus deploy"
   },
   "dependencies": {
-    "@docusaurus/core": "2.0.0-alpha.55",
+    "@docusaurus/core": "2.0.0-alpha.56",
     "@docusaurus/preset-classic": "2.0.0-alpha.55",
     "classnames": "2.2.6",
     "react": "16.13.1",

yarn.lock

@@ -1124,10 +1124,10 @@
   resolved "https://registry.yarnpkg.com/@csstools/convert-colors/-/convert-colors-1.4.0.tgz#ad495dc41b12e75d588c6db8b9834f08fa131eb7"
   integrity sha512-5a6wqoJV/xEdbRNKVo6I4hO3VjyDq//8q2f9I6PBAvMesJHFauXDorcNCsr9RzvsZnaWi5NYCcfyqP1QeFHFbw==
 
-"@docusaurus/core@2.0.0-alpha.55":
-  version "2.0.0-alpha.55"
-  resolved "https://registry.yarnpkg.com/@docusaurus/core/-/core-2.0.0-alpha.55.tgz#1ebdf7208e43608201e1a94b75791ca0e56375f2"
-  integrity sha512-C93nC4stTt10Bn8Wewh2o1bpli9DDy2GO01hDNV9sxsbPnRLxkjvAMTydLP5xwGecmfCI6bWU4L9tXVrStJpjA==
+"@docusaurus/core@2.0.0-alpha.56":
+  version "2.0.0-alpha.56"
+  resolved "https://registry.yarnpkg.com/@docusaurus/core/-/core-2.0.0-alpha.56.tgz#8e0ded61e3b19fbc5f483a300497e674f6452ea4"
+  integrity sha512-+P/2T6aeBcwJbg4a7Y/6CrGL4GKDjTESKwhf41naGsA4v98o5P23eIiKngBvfTPVwHXu3MDShE6UU+lnFqBXyQ==
   dependencies:
     "@babel/core" "^7.9.0"
     "@babel/plugin-syntax-dynamic-import" "^7.8.3"
@@ -1136,7 +1136,7 @@
     "@babel/preset-react" "^7.9.4"
     "@babel/preset-typescript" "^7.9.0"
     "@babel/runtime" "^7.9.2"
-    "@docusaurus/utils" "^2.0.0-alpha.55"
+    "@docusaurus/utils" "^2.0.0-alpha.56"
     "@endiliey/static-site-generator-webpack-plugin" "^4.0.0"
     "@svgr/webpack" "^5.4.0"
     babel-loader "^8.1.0"
@@ -1165,6 +1165,7 @@
     nprogress "^0.2.0"
     null-loader "^3.0.0"
     optimize-css-assets-webpack-plugin "^5.0.3"
+    pnp-webpack-plugin "^1.6.4"
     portfinder "^1.0.25"
     postcss-loader "^3.0.0"
     postcss-preset-env "^6.7.0"
@@ -1327,6 +1328,17 @@
     lodash.camelcase "^4.3.0"
     lodash.kebabcase "^4.1.1"
 
+"@docusaurus/utils@^2.0.0-alpha.56":
+  version "2.0.0-alpha.56"
+  resolved "https://registry.yarnpkg.com/@docusaurus/utils/-/utils-2.0.0-alpha.56.tgz#2fd1d070351cd86f3614240b63a915b2e121150e"
+  integrity sha512-CMII7BYMQ5Dg9sHcejbxbyHTCG4CHQc/uFasL8FNXkHn7crw5Pz2re+IutSklE2SEI5lOZtMl5Lt8HKDvHzG1g==
+  dependencies:
+    escape-string-regexp "^2.0.0"
+    fs-extra "^8.1.0"
+    gray-matter "^4.0.2"
+    lodash.camelcase "^4.3.0"
+    lodash.kebabcase "^4.1.1"
+
 "@endiliey/static-site-generator-webpack-plugin@^4.0.0":
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/@endiliey/static-site-generator-webpack-plugin/-/static-site-generator-webpack-plugin-4.0.0.tgz#94bfe58fd83aeda355de797fcb5112adaca3a6b1"
@@ -9821,6 +9833,13 @@ please-upgrade-node@^3.2.0:
   dependencies:
     semver-compare "^1.0.0"
 
+pnp-webpack-plugin@^1.6.4:
+  version "1.6.4"
+  resolved "https://registry.yarnpkg.com/pnp-webpack-plugin/-/pnp-webpack-plugin-1.6.4.tgz#c9711ac4dc48a685dabafc86f8b6dd9f8df84149"
+  integrity sha512-7Wjy+9E3WwLOEL30D+m8TSTF7qJJUJLONBnwQp0518siuMxUQUbgZwssaFX+QKlZkjHZcw/IpZCt/H0srrntSg==
+  dependencies:
+    ts-pnp "^1.1.6"
+
 portfinder@^1.0.25, portfinder@^1.0.26:
   version "1.0.26"
   resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.26.tgz#475658d56ca30bed72ac7f1378ed350bd1b64e70"
@@ -12683,6 +12702,11 @@ ts-jest@26.0.0:
     semver "7.x"
     yargs-parser "18.x"
 
+ts-pnp@^1.1.6:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/ts-pnp/-/ts-pnp-1.2.0.tgz#a500ad084b0798f1c3071af391e65912c86bca92"
+  integrity sha512-csd+vJOb/gkzvcCHgTGSChYpy5f1/XKNsmvBGO4JXS+z1v2HobugDz4s1IeFXM3wZB44uczs+eazB5Q/ccdhQw==
+
 tslib@1.11.1, tslib@^1.10.0, tslib@^1.11.1, tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.3:
   version "1.11.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.11.1.tgz#eb15d128827fbee2841549e171f45ed338ac7e35"