cleanup: use the composed environment setup

Author: jinliu9508

.github/actions/setup-environment/action.yml

@@ -0,0 +1,32 @@
+name: 'Setup Environment'
+description: 'Common setup steps for Unity release workflows'
+
+inputs:
+  release_branch:
+    description: 'The release branch to checkout'
+    required: true
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Checkout
+      uses: actions/checkout@v5
+      with:
+        ref: ${{ inputs.release_branch }}
+      shell: bash
+
+    - name: Configure Git
+      shell: bash
+      run: |
+        git config --global user.email "github-actions[bot]@users.noreply.github.com"
+        git config --global user.name "github-actions[bot]"
+
+    - name: Prepare Environment
+      env:
+        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      shell: bash
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y gh jq || true
+        gh auth status || gh auth login --with-token <<< "$GH_TOKEN"
+

.github/workflows/create-release-pr.yml

@@ -53,23 +53,10 @@ jobs:
       android_from: ${{ steps.current_versions.outputs.android_from }}
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v5
+      - name: Setup Environment
+        uses: ./.github/actions/setup-environment
         with:
-          ref: ${{ needs.prep.outputs.release_branch }}
-          
-      - name: Configure Git
-        run: |
-          git config --global user.email "github-actions[bot]@users.noreply.github.com"
-          git config --global user.name "github-actions[bot]"
-          
-      - name: Prepare Environment
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y gh jq || true
-          gh auth status || gh auth login --with-token <<< "$GH_TOKEN"
+          release_branch: ${{ needs.prep.outputs.release_branch }}
 
       - name: Get current native SDK versions
         id: current_versions
@@ -151,10 +138,10 @@ jobs:
     needs: [prep, update-version]
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v5
+      - name: Setup Environment
+        uses: ./.github/actions/setup-environment
         with:
-          ref: ${{ needs.prep.outputs.release_branch }}
+          release_branch: ${{ needs.prep.outputs.release_branch }}
 
       - name: Update Unity SDK version
         run: |
@@ -201,7 +188,7 @@ jobs:
       - name: Cache Unity
         uses: actions/cache@v4
         with:
-          path: /home/runner/Unity/Hub/Editor
+          path: /home/runner/Unity/Hub
           key: UnityEditor-${{ runner.os }}
           restore-keys: |
             UnityEditor-${{ runner.os }}