chore(security): Update and pin Graddle workflow actions (#667)

Author: Evan Sims

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

@@ -6,5 +6,5 @@ jobs:
     name: "validation/gradlew"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: gradle/wrapper-validation-action@v1
+      - uses: actions/checkout@v3
+      - uses: gradle/wrapper-validation-action@8d49e559aae34d3e0eb16cde532684bc9702762b # pin@v1.0.6