Update pnpm/action-setup action to v6

Author: renovate[bot]

.github/workflows/publish.yml

@@ -58,7 +58,7 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       # Install pnpm (reads version from packageManager field in package.json)
-      - uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5
+      - uses: pnpm/action-setup@08c4be7e2e672a47d11bd04269e27e5f3e8529cb # v6
 
       # First setup-node: used for building (keeps the monorepo on its expected Node version)
       - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
     name: Node ${{ matrix.node }}
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
-      - uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5
+      - uses: pnpm/action-setup@08c4be7e2e672a47d11bd04269e27e5f3e8529cb # v6
       - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6
         with:
           node-version: ${{ matrix.node }}