chore(deps): update actions/setup-go action to v5.5.0

Author: renovate[bot]

.github/workflows/understackctl-release.yaml

@@ -24,7 +24,7 @@ jobs:
           fetch-depth: 1
 
       - name: Setup Go
-        uses: actions/setup-go@cdcb36043654635271a94b9a6d1392de5bb323a7 # v5.0.1
+        uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
         with:
           go-version: stable
           cache: true