fix: anchor tag safety (via #4789)

* v3.17.6

* release(3.17.6): rebuild dist

* add failing tests

* fix Link component

* fix OnlineValidatorBadge component

* switch from <a> to <Link> in operation components

* make Markdown inputs safe

* use Link component in Info block, for target safety

* add eslint rule for unsafe `target` usage

package-lock.json

@@ -4612,15 +4612,36 @@
       "dev": true
     },
     "eslint-plugin-react": {
-      "version": "7.7.0",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-react/-/eslint-plugin-react-7.7.0.tgz",
-      "integrity": "sha512-KC7Snr4YsWZD5flu6A5c0AcIZidzW3Exbqp7OT67OaD2AppJtlBr/GuPrW/vaQM/yfZotEvKAdrxrO+v8vwYJA==",
+      "version": "7.10.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-react/-/eslint-plugin-react-7.10.0.tgz",
+      "integrity": "sha512-18rzWn4AtbSUxFKKM7aCVcj5LXOhOKdwBino3KKWy4psxfPW0YtIbE8WNRDUdyHFL50BeLb6qFd4vpvNYyp7hw==",
       "dev": true,
       "requires": {
         "doctrine": "2.1.0",
-        "has": "1.0.1",
+        "has": "1.0.3",
         "jsx-ast-utils": "2.0.1",
-        "prop-types": "15.6.1"
+        "prop-types": "15.6.2"
+      },
+      "dependencies": {
+        "has": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
+          "integrity": "sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==",
+          "dev": true,
+          "requires": {
+            "function-bind": "1.1.1"
+          }
+        },
+        "prop-types": {
+          "version": "15.6.2",
+          "resolved": "https://registry.npmjs.org/prop-types/-/prop-types-15.6.2.tgz",
+          "integrity": "sha512-3pboPvLiWD7dkI3qf3KbUe6hKFKa52w+AE0VCqECtf+QHAKgOL37tTaNCnuX1nAAQ4ZhyP+kYVKf8rLmJ/feDQ==",
+          "dev": true,
+          "requires": {
+            "loose-envify": "1.3.1",
+            "object-assign": "4.1.1"
+          }
+        }
       }
     },
     "eslint-plugin-standard": {
@@ -17778,6 +17799,18 @@
             }
           }
         },
+        "eslint-plugin-react": {
+          "version": "7.7.0",
+          "resolved": "https://registry.npmjs.org/eslint-plugin-react/-/eslint-plugin-react-7.7.0.tgz",
+          "integrity": "sha512-KC7Snr4YsWZD5flu6A5c0AcIZidzW3Exbqp7OT67OaD2AppJtlBr/GuPrW/vaQM/yfZotEvKAdrxrO+v8vwYJA==",
+          "dev": true,
+          "requires": {
+            "doctrine": "2.1.0",
+            "has": "1.0.1",
+            "jsx-ast-utils": "2.0.1",
+            "prop-types": "15.6.1"
+          }
+        },
         "globals": {
           "version": "11.5.0",
           "resolved": "https://registry.npmjs.org/globals/-/globals-11.5.0.tgz",