chore(deps): bump actions/checkout@v6, setup-java@v5 in release workflow

- actions/checkout@v4 → @v6 (PR #20)
- actions/setup-java@v4 → @v5 (PR #17)

Author: nficano

.github/workflows/release.yml

@@ -22,11 +22,11 @@ jobs:
     permissions:
       contents: write  # for tagging
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-java@v4
+      - uses: actions/setup-java@v5
         with:
           distribution: temurin
           java-version: "21"