Bump actions/setup-java from 4.4.0 to 4.5.0 (exercism#234)

Bumps [actions/setup-java](https://github.com/actions/setup-java) from 4.4.0 to 4.5.0.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](actions/setup-java@b36c23c...8df1039)

---
updated-dependencies:
- dependency-name: actions/setup-java
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/docs.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
       - name: Set up JDK
-        uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73
+        uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b
         with:
           java-version: "21"
           distribution: "temurin"

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
     steps:
       - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
       - name: Set up JDK
-        uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73
+        uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b
         with:
           java-version: "21"
           distribution: "temurin"