chore: remove pnpm version specification from workflows

Author: pheralb

.github/workflows/check.yml

@@ -54,7 +54,6 @@ jobs:
         name: Install pnpm
         id: pnpm-install
         with:
-          version: 9
           run_install: false
 
       - name: Install dependencies
@@ -79,7 +78,6 @@ jobs:
         name: Install pnpm
         id: pnpm-install
         with:
-          version: 9
           run_install: false
 
       - name: Install dependencies

.github/workflows/release.yml

@@ -27,7 +27,6 @@ jobs:
         name: Install pnpm
         id: pnpm-install
         with:
-          version: 9
           run_install: false
 
       - name: Get pnpm store directory