chore(deps): update pnpm/action-setup action to v4 (#62)

Author: renovate-bot

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v3
+      - uses: pnpm/action-setup@v4
         with:
           version: 9.0.6
       - uses: actions/setup-node@v4

.github/workflows/discord-activity-starter.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v3
+      - uses: pnpm/action-setup@v4
         with:
           version: 9.0.6
       - uses: actions/setup-node@v4

.github/workflows/nested-messages.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v3
+      - uses: pnpm/action-setup@v4
         with:
           version: 9.0.6
       - uses: actions/setup-node@v4

.github/workflows/sdk-playground-production.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v2
+      - uses: pnpm/action-setup@v4
         with:
           version: latest
       - uses: actions/setup-node@v4

.github/workflows/sdk-playground.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v3
+      - uses: pnpm/action-setup@v4
         with:
           version: 9.0.6
       - uses: actions/setup-node@v4