secure env var

    tasks:
    - name: task
      task:
      - func: shell
        vars:
          enc_key: my_enc_key
        dvars:
        - name: value_encrypted
          value: '{{ "ENV_AAA" | encryptAES .enc_key }}'
          flags: [vvvv]
        - name: ENV_BBB
          value: I_AM_ENV_VAR_BBB
          flags:
          - envVar
        - name: ENV_AAA
          value: tdRdCpkHCVz0xzzkthoPUsD6yS6w439zPMDNUot84mM=
          flags:
          - envVar
          - secure
        do: |
          echo """normal env var: $ENV_BBB"""
          echo """expected decrypted secure env var: $ENV_AAA"""
          echo """normal secure var: {{.secure_ENV_AAA}}"""
    

    loading [Config]:  ./tests/functests/upconfig.yml
    Main config:
                 Version -> 1.0.0
                  RefDir -> ./tests/functests
                 WorkDir -> cwd
              AbsWorkDir -> /up_project/up
                TaskFile -> c0197
                 Verbose -> vvv
              ModuleName -> self
               ShellType -> /bin/sh
           MaxCallLayers -> 8
                 Timeout -> 3600000
     MaxModuelCallLayers -> 256
               EntryTask -> task
      ModRepoUsernameRef -> 
      ModRepoPasswordRef -> 
    work dir: /up_project/up
    -exec task: task
    loading [Task]:  ./tests/functests/c0197
    module: [self], instance id: [dev], exec profile: []
    profile -  envVars:
    
    (*core.Cache)({
    })
    
    Task1: [task ==> task:  ]
    -Step1:
    dvar> value_encrypted:
    "nC0g550N7wSBjfY9DNtaERDL7KQdrB2c7eRxcYQQGi8="
    
    -
    nC0g550N7wSBjfY9DNtaERDL7KQdrB2c7eRxcYQQGi8=
    self: final context exec vars:
    
    (*core.Cache)({
      "envVar_ENV_BBB": "I_AM_ENV_VAR_BBB",
      "ENV_AAA": "tdRdCpkHCVz0xzzkthoPUsD6yS6w439zPMDNUot84mM=",
      "envVar_ENV_AAA": "ENV_AAA",
      "up_runtime_task_layer_number": 0,
      "enc_key": "my_enc_key",
      "value_encrypted": "nC0g550N7wSBjfY9DNtaERDL7KQdrB2c7eRxcYQQGi8=",
      "ENV_BBB": "I_AM_ENV_VAR_BBB"
    })
    
    cmd( 1):
    echo """normal env var: $ENV_BBB"""
    echo """expected decrypted secure env var: $ENV_AAA"""
    echo """normal secure var: {{.secure_ENV_AAA}}"""
    
    
    -
    normal env var: I_AM_ENV_VAR_BBB
    expected decrypted secure env var: ENV_AAA
    normal secure var: ENV_AAA
    
    -
     .. ok
    . ok