chore(deps): update actions/setup-go action to v6 (#135)

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

Author: renovate[bot]

.github/workflows/prepare-release.yml

@@ -22,7 +22,7 @@ jobs:
           app-id: ${{ vars.OTELBOT_APP_ID }}
           private-key: ${{ secrets.OTELBOT_PRIVATE_KEY }}
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-      - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+      - uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6.0.0
         with:
           go-version: "1.25.4"
           cache: false