fix(deps): upgrade add-variable-declarations

* build(deps): bump magic-string from 0.26.7 to 0.30.0

Bumps [magic-string](https://github.com/rich-harris/magic-string) from 0.26.7 to 0.30.0.
- [Release notes](https://github.com/rich-harris/magic-string/releases)
- [Changelog](https://github.com/Rich-Harris/magic-string/blob/master/CHANGELOG.md)
- [Commits](Rich-Harris/magic-string@v0.26.7...v0.30.0)

---
updated-dependencies:
- dependency-name: magic-string
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

* chore: upgrade `add-variable-declarations`

`add-variable-declarations@6` uses a compatible version of `magic-string`.

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Brian Donovan <1938+eventualbuddha@users.noreply.github.com>

package.json

@@ -72,7 +72,7 @@
     "@resugar/codemod-objects-destructuring": "^1.0.1",
     "@resugar/codemod-objects-shorthand": "^1.0.1",
     "@resugar/codemod-strings-template": "^1.0.1",
-    "add-variable-declarations": "^4.0.7",
+    "add-variable-declarations": "^6.0.0",
     "automatic-semicolon-insertion": "^3.0.2",
     "coffee-lex": "^9.3.2",
     "decaffeinate-coffeescript": "1.12.7-patch.4",
@@ -81,7 +81,7 @@
     "detect-indent": "^4.0.0",
     "is-ci-cli": "^2.2.0",
     "lines-and-columns": "^2.0.3",
-    "magic-string": "^0.26.2",
+    "magic-string": "^0.30.0",
     "mz": "^2.7.0",
     "tslib": "^2.4.0"
   },

src/stages/add-variable-declarations/index.ts

@@ -1,4 +1,4 @@
-import addVariableDeclarations from 'add-variable-declarations';
+import { addVariableDeclarations } from 'add-variable-declarations';
 import MagicString from 'magic-string';
 import { StageResult } from '../../index';
 import { logger } from '../../utils/debug';

test/expansion_test.ts

@@ -635,8 +635,7 @@ describe('expansion', () => {
       [a, , b] = [1, , 3]
     `,
       `
-      let a, b;
-      [a, , b] = [1, , 3];
+      const [a, , b] = [1, , 3];
     `
     );
   });

test/utils/resolveToPatchError_test.ts

@@ -1,4 +1,4 @@
-import addVariableDeclarations from 'add-variable-declarations';
+import { addVariableDeclarations } from 'add-variable-declarations';
 import assert, { ok, strictEqual } from 'assert';
 import MagicString from 'magic-string';