Fix pnpm installation in CI and release workflows

Add explicit pnpm version preparation to resolve corepack key check error

Author: lilac

.github/workflows/ci.yml

@@ -27,7 +27,9 @@ jobs:
           registry-url: https://registry.npmjs.org
 
       - shell: bash
-        run: corepack enable
+      # Workaround for pnpm key check error
+      # https://github.com/nodejs/corepack/issues/612#issuecomment-2615343301
+        run: corepack enable && corepack prepare [email protected] --activate
 
       - shell: bash
         run: pnpm install
@@ -62,7 +64,7 @@ jobs:
           registry-url: https://registry.npmjs.org
 
       - shell: bash
-        run: corepack enable
+        run: corepack enable && corepack prepare [email protected] --activate
 
       - shell: bash
         run: pnpm install

.github/workflows/release.yml

@@ -16,7 +16,9 @@ jobs:
           registry-url: https://registry.npmjs.org
 
       - shell: bash
-        run: corepack enable
+        # Workaround for pnpm key check error
+        # https://github.com/nodejs/corepack/issues/612#issuecomment-2615343301
+        run: corepack enable && corepack prepare [email protected] --activate
 
       - shell: bash
         run: pnpm install