chore(deps): update gradle/actions action to v6.4.0

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

Author: renovate[bot]

.github/workflows/gradle-wrapper-validation.yml

@@ -26,4 +26,4 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-            - uses: gradle/actions/wrapper-validation@9c971963bec38e04b3d30dcc455b5382be2fdbfb # v6.3.0
+            - uses: gradle/actions/wrapper-validation@3f5f9adaf7d9fecd50b5935e54106014257a94e6 # v6.4.0