feat(deps): update @actions/cache, @actions/core, @actions/exec, and zod (#39)

## Summary
- Update `@actions/cache` from ^4.1.0 to ^6.0.0
- Update `@actions/core` from ^1.11.1 to ^3.0.0
- Update `@actions/exec` from ^1.1.1 to ^3.0.0
- Update `zod` from ^3.25.76 to ^4.0.0
- Fix zod v4 breaking change: `ZodError.errors` → `ZodError.issues` in
`src/inputs.ts`

Consolidates the following Renovate PRs:
- Closes #35
- Closes #36
- Closes #37
- Closes #38

## Test plan
- [x] `vp run check:fix` passes
- [x] `vp run test` passes (86 tests, 5 files)
- [x] `vp run build` produces updated `dist/index.mjs`
- [ ] Action functions correctly in a workflow run

Author: fengmk2

.github/workflows/test.yml

@@ -32,7 +32,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: ["22", "24"]
+        node-version: ["lts", "22", "24"]
         version: [latest, alpha]
     runs-on: ubuntu-latest
     steps:
@@ -54,7 +54,9 @@ jobs:
         run: |
           ACTUAL=$(node --version)
           echo "Node.js version: $ACTUAL"
-          echo "$ACTUAL" | grep -q "^v${{ matrix.node-version }}\." || (echo "Expected Node.js v${{ matrix.node-version }}.x but got $ACTUAL" && exit 1)
+          if [ "${{ matrix.node-version }}" != "lts" ]; then
+            echo "$ACTUAL" | grep -q "^v${{ matrix.node-version }}\." || (echo "Expected Node.js v${{ matrix.node-version }}.x but got $ACTUAL" && exit 1)
+          fi
 
   test-cache-pnpm:
     strategy:

README.md

@@ -27,7 +27,7 @@ steps:
   - uses: actions/checkout@v6
   - uses: voidzero-dev/setup-vp@v1
     with:
-      node-version: "24"
+      node-version: "lts"
 ```
 
 ### With Node.js Version File
@@ -60,7 +60,7 @@ steps:
   - uses: actions/checkout@v6
   - uses: voidzero-dev/setup-vp@v1
     with:
-      node-version: "24"
+      node-version: "lts"
       cache: true
       run-install: true
 ```
@@ -73,7 +73,7 @@ steps:
   - uses: voidzero-dev/setup-vp@v1
     with:
       version: "1.2.3"
-      node-version: "24"
+      node-version: "lts"
       cache: true
 ```
 
@@ -84,7 +84,7 @@ steps:
   - uses: actions/checkout@v6
   - uses: voidzero-dev/setup-vp@v1
     with:
-      node-version: "24"
+      node-version: "lts"
       cache: true
       run-install: |
         - cwd: ./packages/app
@@ -101,7 +101,7 @@ steps:
   - uses: actions/checkout@v6
   - uses: voidzero-dev/setup-vp@v1
     with:
-      node-version: "24"
+      node-version: "lts"
       registry-url: "https://npm.pkg.github.com"
       scope: "@myorg"
       run-install: false
@@ -204,7 +204,7 @@ jobs:
 
       - uses: voidzero-dev/setup-vp@v1
         with:
-          node-version: "24"
+          node-version: "lts"
           cache: true
 
       - run: vp run build

dist/index.mjs

@@ -13,12 +13,12 @@
     "prepare": "vp config"
   },
   "dependencies": {
-    "@actions/cache": "^4.1.0",
-    "@actions/core": "^1.11.1",
-    "@actions/exec": "^1.1.1",
+    "@actions/cache": "^6.0.0",
+    "@actions/core": "^3.0.0",
+    "@actions/exec": "^3.0.0",
     "@actions/glob": "^0.6.0",
     "yaml": "^2.8.2",
-    "zod": "^3.25.76"
+    "zod": "^4.0.0"
   },
   "devDependencies": {
     "@types/node": "^24.0.0",