Bump vscode-languageserver-textdocument from 1.0.8 to 1.0.12

Bumps [vscode-languageserver-textdocument](https://github.com/Microsoft/vscode-languageserver-node/tree/HEAD/textDocument) from 1.0.8 to 1.0.12.
- [Release notes](https://github.com/Microsoft/vscode-languageserver-node/releases)
- [Commits](https://github.com/Microsoft/vscode-languageserver-node/commits/release/textDocument/1.0.12/textDocument)

---
updated-dependencies:
- dependency-name: vscode-languageserver-textdocument
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -454,7 +454,7 @@
     "vscode-languageclient": "6.1.3",
     "vscode-languageserver": "6.1.1",
     "vscode-languageserver-protocol": "3.15.3",
-    "vscode-languageserver-textdocument": "^1.0.8",
+    "vscode-languageserver-textdocument": "^1.0.12",
     "vscode-uri": "3.0.8",
     "ws": "8.16.0",
     "yaml": "1.10.2",