Cache gradle in GitHub workflows

.github/workflows/ci-tls.yml

@@ -36,6 +36,7 @@ jobs:
       with:
         distribution: corretto
         java-version: 17
+        cache: gradle
     - name: Stop nginx
       run: sudo systemctl stop nginx
     - name: Checkout smithy-rs

.github/workflows/pull-request-bot.yml

@@ -90,22 +90,13 @@ jobs:
       bot-message: ${{ steps.generate-preview.outputs.bot-message }}
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/cache@v4
-      name: Gradle Cache
-      with:
-        path: |
-          ~/.gradle/caches
-          ~/.gradle/wrapper
-        key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*') }}
-        restore-keys: |
-          ${{ runner.os }}-gradle-
-      # JDK is needed to generate code
     - name: Set up JDK
       uses: actions/setup-java@v4
       with:
         distribution: corretto
         java-package: jdk
         java-version: ${{ env.java_version }}
+        cache: gradle
     - uses: dtolnay/rust-toolchain@master
       with:
         toolchain: ${{ env.rust_nightly_version }}

.github/workflows/release.yml

@@ -299,6 +299,7 @@ jobs:
       with:
         distribution: temurin
         java-version: '17'
+        cache: gradle
     - name: Check if publishing is needed
       id: check-publish
       shell: bash

.github/workflows/update-sdk-next.yml

@@ -42,6 +42,7 @@ jobs:
         distribution: corretto
         java-package: jdk
         java-version: 17
+        cache: gradle
       # Rust is only used to `rustfmt` the generated code; doesn't need to match MSRV
     - name: Set up Rust
       uses: dtolnay/rust-toolchain@master