[WIP] Fix failing GitHub Actions job for temurin 17 (#1259)

* Initial plan

* Install GnuPG in Alpine E2E job

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

Author: Copilot

.github/workflows/e2e-versions.yml

@@ -154,8 +154,8 @@ jobs:
         version: ['21', '17']
     steps:
       - *checkout_step
-      - name: Install bash
-        run: apk add --no-cache bash
+      - name: Install bash and GnuPG
+        run: apk add --no-cache bash gnupg
       - name: setup-java
         uses: ./
         id: setup-java