Revert "chore(deps): update dependency remark-mdx-frontmatter to v5 (#2298)"

This reverts commit 28a172d.

resolves #2301

Author: joshuaellis

docs/package.json

@@ -63,7 +63,7 @@
     "rehype-slug": "6.0.0",
     "remark-directive": "3.0.0",
     "remark-frontmatter": "5.0.0",
-    "remark-mdx-frontmatter": "5.0.0",
+    "remark-mdx-frontmatter": "4.0.0",
     "typescript": "5.3.3",
     "unified": "11.0.4",
     "unist-util-visit": "5.0.0",

yarn.lock

@@ -3115,7 +3115,16 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jest/create-cache-key-function@npm:^29.2.1, @jest/create-cache-key-function@npm:^29.7.0":
+"@jest/create-cache-key-function@npm:^29.2.1":
+  version: 29.4.1
+  resolution: "@jest/create-cache-key-function@npm:29.4.1"
+  dependencies:
+    "@jest/types": ^29.4.1
+  checksum: cbd2718f63457c476fc7ecd21129b9aa35f58820678d49e5b163d6c85d866071f581968acc93d28e32734a91e5a7bfb99d617120a53d48cfa0e30ad2fbb76799
+  languageName: node
+  linkType: hard
+
+"@jest/create-cache-key-function@npm:^29.7.0":
   version: 29.7.0
   resolution: "@jest/create-cache-key-function@npm:29.7.0"
   dependencies:
@@ -3311,7 +3320,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jest/types@npm:^29.6.3":
+"@jest/types@npm:^29.4.1, @jest/types@npm:^29.6.3":
   version: 29.6.3
   resolution: "@jest/types@npm:29.6.3"
   dependencies:
@@ -5007,7 +5016,7 @@ __metadata:
     rehype-slug: 6.0.0
     remark-directive: 3.0.0
     remark-frontmatter: 5.0.0
-    remark-mdx-frontmatter: 5.0.0
+    remark-mdx-frontmatter: 4.0.0
     typescript: 5.3.3
     unified: 11.0.4
     unist-util-visit: 5.0.0
@@ -6217,7 +6226,17 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/jest@npm:*, @types/jest@npm:29.5.12":
+"@types/jest@npm:*":
+  version: 29.5.11
+  resolution: "@types/jest@npm:29.5.11"
+  dependencies:
+    expect: ^29.0.0
+    pretty-format: ^29.0.0
+  checksum: f892a06ec9f0afa9a61cd7fa316ec614e21d4df1ad301b5a837787e046fcb40dfdf7f264a55e813ac6b9b633cb9d366bd5b8d1cea725e84102477b366df23fdd
+  languageName: node
+  linkType: hard
+
+"@types/jest@npm:29.5.12":
   version: 29.5.12
   resolution: "@types/jest@npm:29.5.12"
   dependencies:
@@ -12534,7 +12553,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ignore@npm:^5.2.0, ignore@npm:^5.2.4, ignore@npm:^5.3.0":
+"ignore@npm:^5.2.0, ignore@npm:^5.2.4":
+  version: 5.3.0
+  resolution: "ignore@npm:5.3.0"
+  checksum: 2736da6621f14ced652785cb05d86301a66d70248597537176612bd0c8630893564bd5f6421f8806b09e8472e75c591ef01672ab8059c07c6eb2c09cefe04bf9
+  languageName: node
+  linkType: hard
+
+"ignore@npm:^5.3.0":
   version: 5.3.1
   resolution: "ignore@npm:5.3.1"
   checksum: 71d7bb4c1dbe020f915fd881108cbe85a0db3d636a0ea3ba911393c53946711d13a9b1143c7e70db06d571a5822c0a324a6bcde5c9904e7ca5047f01f1bf8cd3
@@ -19027,17 +19053,17 @@ __metadata:
   languageName: node
   linkType: hard
 
-"remark-mdx-frontmatter@npm:5.0.0":
-  version: 5.0.0
-  resolution: "remark-mdx-frontmatter@npm:5.0.0"
+"remark-mdx-frontmatter@npm:4.0.0":
+  version: 4.0.0
+  resolution: "remark-mdx-frontmatter@npm:4.0.0"
   dependencies:
     "@types/mdast": ^4.0.0
     estree-util-is-identifier-name: ^3.0.0
     estree-util-value-to-estree: ^3.0.0
     toml: ^3.0.0
     unified: ^11.0.0
     yaml: ^2.0.0
-  checksum: 31323fba5b2c44aecbede7a817d2a31606409395a049e3f278e09946c7c3798b9c15437e094dff0b7e477df36595c1cc483727279c03edf0f8b64c029a2fdc0c
+  checksum: 01f3874bf5728c7ec314a0802d53de46ed0730a7f53fd9d8305ab95593b4b411336789fd84581157c7bd3398e4848082d84d17d656475846b9bd08be6ef6d71d
   languageName: node
   linkType: hard
 
@@ -19581,7 +19607,16 @@ __metadata:
   languageName: node
   linkType: hard
 
-"scheduler@npm:^0.23.0, scheduler@npm:^0.23.2":
+"scheduler@npm:^0.23.0":
+  version: 0.23.0
+  resolution: "scheduler@npm:0.23.0"
+  dependencies:
+    loose-envify: ^1.1.0
+  checksum: d79192eeaa12abef860c195ea45d37cbf2bbf5f66e3c4dcd16f54a7da53b17788a70d109ee3d3dde1a0fd50e6a8fc171f4300356c5aee4fc0171de526bf35f8a
+  languageName: node
+  linkType: hard
+
+"scheduler@npm:^0.23.2":
   version: 0.23.2
   resolution: "scheduler@npm:0.23.2"
   dependencies: