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

Author: renovate[bot]

.github/workflows/continuous-integration.yml

@@ -31,7 +31,7 @@ jobs:
         with:
           node-version: lts/*
 
-      - uses: pnpm/action-setup@41ff72655975bd51cab0327fa583b6e92b6d3061 # 4e1c8eafbd745f64b1ef30a7d7ed7965034c486c
+      - uses: pnpm/action-setup@903f9c1a6ebcba6cf41d87230be49611ac97822e # v6.0.3e1c8eafbd745f64b1ef30a7d7ed7965034c486c
         name: 🟧 Install pnpm
 
       - name: 📦 Install dependencies (root only, no scripts)
@@ -51,7 +51,7 @@ jobs:
         with:
           node-version: lts/*
 
-      - uses: pnpm/action-setup@41ff72655975bd51cab0327fa583b6e92b6d3061 # 4e1c8eafbd745f64b1ef30a7d7ed7965034c486c
+      - uses: pnpm/action-setup@903f9c1a6ebcba6cf41d87230be49611ac97822e # v6.0.3e1c8eafbd745f64b1ef30a7d7ed7965034c486c
         name: 🟧 Install pnpm
 
       - name: 📦 Install dependencies (root only, no scripts)