Update hashicorp/vault-action to version 2.7.4

No real need. Mostly about keeping things up-to-date, etc.

Author: andreaso

action.yaml

@@ -54,7 +54,7 @@ runs:
 
     - name: Authenticate towards Vault
       id: vault_auth
-      uses: hashicorp/vault-action@v2.7.1
+      uses: hashicorp/vault-action@v2.7.4
       with:
         method: jwt
         jwtGithubAudience: ${{ steps.determine.outputs.audience }}