Update gradle/actions action to v5 (#26)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build.yml

@@ -20,7 +20,7 @@ jobs:
         with:
           distribution: "temurin"
           java-version: 21
-      - uses: gradle/actions/setup-gradle@v4
+      - uses: gradle/actions/setup-gradle@v5
       - uses: actions/setup-go@v6
         with:
           go-version: "1.26"

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
         with:
           distribution: "temurin"
           java-version: 21
-      - uses: gradle/actions/setup-gradle@v4
+      - uses: gradle/actions/setup-gradle@v5
       - uses: actions/setup-go@v6
         with:
           go-version: "1.26"