chore(deps): update pnpm/action-setup action to v6

Author: renovate[bot]

.github/workflows/gravity.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@v6
       - run: pnpm i --frozen-lockfile
       - run: cd packages/svelte && pnpm run build
       - run: pnpm gravityci "packages/svelte/dist/"

.github/workflows/lint.yml

@@ -6,6 +6,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@v6
       - run: pnpm i --frozen-lockfile
       - run: pnpm run lint

.github/workflows/pkg.pr.new.yml

@@ -14,7 +14,7 @@ jobs:
         with:
           node-version: 22
           package-manager-cache: false
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@v6
 
       - name: Install dependencies
         run: pnpm install --frozen-lockfile

.github/workflows/publish.yml

@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v6
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 22

.github/workflows/test.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@v6
         with:
           node-version: 24
       - run: pnpm i --frozen-lockfile