Bump @types/vscode from 1.55.0 to 1.56.0 (#550)

Bumps [@types/vscode](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/vscode)
from 1.55.0 to 1.56.0.
- [Release
notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/vscode)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -32,7 +32,7 @@
 		"Framework"
 	],
 	"engines": {
-		"vscode": "^1.55.0"
+		"vscode": "^1.56.0"
 	},
 	"categories": [
 		"Other"
@@ -278,7 +278,7 @@
 		"@types/mocha": "^8.2.2",
 		"@types/node": "^15.0.2",
 		"@types/sinon": "^10.0.0",
-		"@types/vscode": "^1.55.0",
+		"@types/vscode": "^1.56.0",
 		"@typescript-eslint/eslint-plugin": "^4.22.1",
 		"@typescript-eslint/parser": "^4.22.1",
 		"chai": "^4.3.4",