Bump pnpm version in the release-code-freeze.yml workflow to fix issue that impeded the creation of new WooCommerce zip packages. (#42919)

* Bump pnpm version in the release-code-freeze.yml workflow to fix issue that impeded the creation of new WooCommerce zip packages.

* Update code freeze workflow to automatically get the pnpm version from the root package.json file.

* Improve reusability of the method to retrieve the pnpm version in the Code Freeze workflow.

.github/workflows/release-code-freeze.yml

@@ -31,6 +31,7 @@ jobs:
             issues: write
             pull-requests: write
         outputs:
+            pnpmVersion: ${{ steps.read-pnpm-version.outputs.version }}
             isTodayAcceleratedFreeze: ${{ steps.get-versions.outputs.isTodayAcceleratedFreeze }}
             isTodayMonthlyFreeze: ${{ steps.get-versions.outputs.isTodayMonthlyFreeze }}
             acceleratedVersion: ${{ steps.get-versions.outputs.acceleratedVersion }}
@@ -46,10 +47,18 @@ jobs:
               with:
                   fetch-depth: 0
 
+            - name: Read PNPM Version
+              id: read-pnpm-version
+              shell: bash
+              run: |
+                version=$(./.github/actions/setup-woocommerce-monorepo/scripts/read-pnpm-version.sh package.json)
+                echo "version=$version" >> $GITHUB_OUTPUT
+                echo "PNPM Version: $version"
+
             - name: Setup PNPM
               uses: pnpm/action-setup@c3b53f6a16e57305370b4ae5a540c2077a1d50dd
               with:
-                  version: '8.6.7'
+                  version: ${{ steps.read-pnpm-version.outputs.version }}
 
             - name: Setup Node
               uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c
@@ -142,7 +151,7 @@ jobs:
             - name: Setup PNPM
               uses: pnpm/action-setup@c3b53f6a16e57305370b4ae5a540c2077a1d50dd
               with:
-                  version: '8.6.7'
+                  version: ${{ needs.code-freeze-prep.outputs.pnpmVersion }}
 
             - name: Setup Node
               uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c
@@ -238,7 +247,7 @@ jobs:
             - name: Setup PNPM
               uses: pnpm/action-setup@c3b53f6a16e57305370b4ae5a540c2077a1d50dd
               with:
-                  version: '8.6.7'
+                  version: ${{ needs.code-freeze-prep.outputs.pnpmVersion }}
 
             - name: Setup Node
               uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c
@@ -283,7 +292,7 @@ jobs:
             - name: Setup PNPM
               uses: pnpm/action-setup@c3b53f6a16e57305370b4ae5a540c2077a1d50dd
               with:
-                  version: '8.6.7'
+                  version: ${{ needs.code-freeze-prep.outputs.pnpmVersion }}
 
             - name: Setup Node
               uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c