add cache: gradle to java setup workflow (#22183)

Author: wing328

.github/workflows/gradle-plugin-tests.yaml

@@ -19,6 +19,7 @@ jobs:
         with:
           java-version: 11
           distribution: 'temurin'
+          cache: gradle
       - name: Cache maven dependencies
         uses: actions/cache@v4
         env:

.github/workflows/gradle-test.yaml

@@ -37,6 +37,7 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: 11
+          cache: gradle
       # Cache Gradle Dependencies
       - name: Setup Gradle Dependencies Cache
         uses: actions/cache@v4

.github/workflows/linux.yaml

@@ -27,6 +27,7 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: ${{ matrix.java }}
+          cache: gradle
 
       - uses: actions/cache@v4
         with:
@@ -95,6 +96,7 @@ jobs:
         with:
           java-version: 11
           maven-version: 3.8.8
+          cache: gradle
       - name: Download build artifact
         uses: actions/download-artifact@v5
         with:

.github/workflows/openapi-generator.yaml

@@ -21,6 +21,7 @@ jobs:
         with:
           java-version: 11
           distribution: 'temurin'
+          cache: gradle
       - name: Cache maven dependencies
         uses: actions/cache@v4
         env:
@@ -59,6 +60,7 @@ jobs:
         with:
           java-version: 11
           distribution: 'temurin'
+          cache: gradle
       - name: Cache maven dependencies
         uses: actions/cache@v4
         env:

.github/workflows/samples-groovy.yaml

@@ -26,6 +26,7 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: 8
+          cache: gradle
       - name: Cache maven dependencies
         uses: actions/cache@v4
         env:

.github/workflows/samples-java-client-jdk11.yaml

@@ -118,6 +118,7 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: 11
+          cache: gradle
       - name: Cache maven dependencies
         uses: actions/cache@v4
         env:

.github/workflows/samples-java-client-jdk17.yaml

@@ -42,6 +42,7 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: 17
+          cache: gradle
       - name: Cache maven dependencies
         uses: actions/cache@v4
         env:

.github/workflows/samples-kotlin-client.yaml

@@ -77,6 +77,7 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: 11
+          cache: gradle
       - name: Cache maven dependencies
         uses: actions/cache@v4
         env:

.github/workflows/samples-kotlin-echo-api.yaml

@@ -26,6 +26,7 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: 17
+          cache: gradle
       - name: Cache maven dependencies
         uses: actions/cache@v4
         env:

.github/workflows/samples-kotlin-server-jdk17.yaml

@@ -52,6 +52,7 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: 17
+          cache: gradle
       - name: Cache maven dependencies
         uses: actions/cache@v4
         env: