Update gradle/actions digest to 748248d

Author: renovate[bot]

.github/workflows/maven-publish.yml

@@ -30,7 +30,7 @@ jobs:
           tag: ${{ github.event.release.tag_name }}
           generateReleaseNotes: true
       - name: Validate Gradle wrapper
-        uses: gradle/actions/wrapper-validation@ed408507eac070d1f99cc633dbcf757c94c7933a # v4
+        uses: gradle/actions/wrapper-validation@748248ddd2a24f49513d8f472f81c3a07d4d50e1 # v4
       - name: Set up Java for publishing to Maven Central Repository
         uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165 # v5
         with: