build(deps): Bump @flex-development/docast in the flex-development group

Bumps the flex-development group with 1 update: [@flex-development/docast](https://github.com/flex-development/docast).


Updates `@flex-development/docast` from 1.0.0-alpha.17 to 1.0.0-alpha.18
- [Release notes](https://github.com/flex-development/docast/releases)
- [Changelog](https://github.com/flex-development/docast/blob/main/CHANGELOG.md)
- [Commits](flex-development/docast@1.0.0-alpha.17...1.0.0-alpha.18)

---
updated-dependencies:
- dependency-name: "@flex-development/docast"
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: flex-development
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -75,7 +75,7 @@
     "typecheck:watch": "vitest --mode=typecheck --typecheck"
   },
   "dependencies": {
-    "@flex-development/docast": "1.0.0-alpha.17",
+    "@flex-development/docast": "1.0.0-alpha.18",
     "@flex-development/esast": "1.0.0-alpha.5",
     "@flex-development/unist-util-builder": "2.0.0",
     "@flex-development/unist-util-types": "1.6.1",

yarn.lock

@@ -1468,15 +1468,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@flex-development/docast@npm:1.0.0-alpha.17":
-  version: 1.0.0-alpha.17
-  resolution: "@flex-development/docast@npm:1.0.0-alpha.17::__archiveUrl=https%3A%2F%2Fnpm.pkg.github.com%2Fdownload%2F%40flex-development%2Fdocast%2F1.0.0-alpha.17%2Fed26e664faee975d0993dca6b8e24ec17b8e7b35"
+"@flex-development/docast@npm:1.0.0-alpha.18":
+  version: 1.0.0-alpha.18
+  resolution: "@flex-development/docast@npm:1.0.0-alpha.18::__archiveUrl=https%3A%2F%2Fnpm.pkg.github.com%2Fdownload%2F%40flex-development%2Fdocast%2F1.0.0-alpha.18%2F988bafe7aa53fe2e01e30a73ff25f834d66247ef"
   dependencies:
-    "@flex-development/tutils": "npm:6.0.0-alpha.25"
-    "@flex-development/unist-util-types": "npm:1.3.1"
-    "@types/mdast": "npm:4.0.3"
+    "@flex-development/unist-util-types": "npm:1.6.1"
+    "@types/mdast": "npm:4.0.4"
     "@types/unist": "npm:3.0.2"
-  checksum: 10/c51b15316ea10af54ab2463205d5c5b755761e031bf185cb14a50e38da38882a6b2dd3a1eff05d838a9aa3691982e64fd6cd3cdc431ba30362a16b9e03bc39cc
+  checksum: 10/d6220032308d0143b4e43b50ee66a48c7f193561dfdf28eabae78d51413fddbb4ff21e9c9762f1372c78d8fb2ebbed049b1479a559b1479ca01dbcac8f08966c
   languageName: node
   linkType: hard
 
@@ -1525,7 +1524,7 @@ __metadata:
     "@commitlint/types": "npm:19.0.3"
     "@flex-development/commitlint-config": "npm:1.0.1"
     "@flex-development/decorator-regex": "npm:2.0.0"
-    "@flex-development/docast": "npm:1.0.0-alpha.17"
+    "@flex-development/docast": "npm:1.0.0-alpha.18"
     "@flex-development/esast": "npm:1.0.0-alpha.5"
     "@flex-development/esm-types": "npm:2.0.0"
     "@flex-development/grease": "npm:3.0.0-alpha.9"
@@ -1944,15 +1943,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@flex-development/unist-util-types@npm:1.3.1":
-  version: 1.3.1
-  resolution: "@flex-development/unist-util-types@npm:1.3.1::__archiveUrl=https%3A%2F%2Fnpm.pkg.github.com%2Fdownload%2F%40flex-development%2Funist-util-types%2F1.3.1%2F44deb809fdc2921405035513bd54c4605213c7bc"
-  peerDependencies:
-    "@types/unist": ">=3.0.2"
-  checksum: 10/110ec112363147784c6f4a32473a1a44a76d28b775fe3d37bbe46b09e7c9f1f67dd0c8d7b9ec5bbe5b8f4d915cbbb826e3b1efc70c0cb5ca020c34b72351c4c5
-  languageName: node
-  linkType: hard
-
 "@flex-development/unist-util-types@npm:1.6.1":
   version: 1.6.1
   resolution: "@flex-development/unist-util-types@npm:1.6.1::__archiveUrl=https%3A%2F%2Fnpm.pkg.github.com%2Fdownload%2F%40flex-development%2Funist-util-types%2F1.6.1%2F0deabf0a30d32dc9ae23aea394ef67b8f0b806b9"
@@ -2530,15 +2520,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/mdast@npm:4.0.3":
-  version: 4.0.3
-  resolution: "@types/mdast@npm:4.0.3"
-  dependencies:
-    "@types/unist": "npm:*"
-  checksum: 10/6d2d8f00ffaff6663dd67ea9ab999a5e52066c001432a9b99947fa9e76bccba819dfca40e419588a637a70d42cd405071f5b76efd4ddeb1dc721353b7cc73623
-  languageName: node
-  linkType: hard
-
 "@types/mdast@npm:4.0.4, @types/mdast@npm:^4.0.0":
   version: 4.0.4
   resolution: "@types/mdast@npm:4.0.4"