ci(deps): Bump andstor/file-existence-action from 2.0.0 to 3.0.0

Bumps [andstor/file-existence-action](https://github.com/andstor/file-existence-action) from 2.0.0 to 3.0.0.
- [Release notes](https://github.com/andstor/file-existence-action/releases)
- [Commits](andstor/file-existence-action@v2.0.0...v3.0.0)

---
updated-dependencies:
- dependency-name: andstor/file-existence-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/ci.yml

@@ -256,7 +256,7 @@ jobs:
           ref: ${{ env.REF }}
       - id: test-files-check
         name: Check for typecheck files
-        uses: andstor/file-existence-action@v2.0.0
+        uses: andstor/file-existence-action@v3.0.0
         with:
           files: '**/__tests__/*.spec-d.ts'
       - id: node
@@ -308,7 +308,7 @@ jobs:
           ref: ${{ env.REF }}
       - id: test-files-check
         name: Check for test files
-        uses: andstor/file-existence-action@v2.0.0
+        uses: andstor/file-existence-action@v3.0.0
         with:
           files: '**/__tests__/*.spec.+(ts|tsx)'
       - id: node