set the php version in the map for debian module redis to allow installation of the desired version

Use method:

1. `rubocop -a --safe`
2. `rubocop -A --safe`
3. Use `rubocop:disable`

```
Offenses:

test/integration/default/controls/config_spec.rb:1:1: C: Style/FrozenStringLiteralComment: Missing frozen string literal
comment.
control 'Php configuration' do
^
test/integration/default/controls/config_spec.rb:4:3: C: Metrics/AbcSize: Assignment Branch Condition size for
test_debian is too high. [<0, 26, 0> 26/17]
(http://c2.com/cgi/wiki?AbcMetric, https://en.wikipedia.org/wiki/ABC_Software_Metric)
  def test_debian ...
  ^^^^^^^^^^^^^^^
test/integration/default/controls/config_spec.rb:4:3: C: Metrics/MethodLength: Method has too many lines. [14/10]
(https://rubystyle.guide#short-methods)
  def test_debian ...
  ^^^^^^^^^^^^^^^
test/integration/default/controls/config_spec.rb:24:3: C: Style/EmptyMethod: Put empty method definitions on a single
line. (https://rubystyle.guide#no-single-line-methods)
  def test_redhat ...
  ^^^^^^^^^^^^^^^
test/integration/default/controls/config_spec.rb:27:3: C: Style/EmptyMethod: Put empty method definitions on a single
line. (https://rubystyle.guide#no-single-line-methods)
  def test_suse ...
  ^^^^^^^^^^^^^
test/integration/default/controls/package_spec.rb:1:1: C: Style/FrozenStringLiteralComment: Missing frozen string
literal comment.
control 'Php package' do
^
test/integration/default/controls/package_spec.rb:4:3: C: Metrics/AbcSize: Assignment Branch Condition size for
test_debian is too high. [<1, 26, 1> 26.04/17] (http://c2.com/cgi/wiki?AbcMetric,
https://en.wikipedia.org/wiki/ABC_Software_Metric)
  def test_debian ...
  ^^^^^^^^^^^^^^^
test/integration/default/controls/package_spec.rb:4:3: C: Metrics/MethodLength: Method has too many lines. [20/10]
(https://rubystyle.guide#short-methods)
  def test_debian ...
  ^^^^^^^^^^^^^^^
test/integration/default/controls/package_spec.rb:21:1: C: Layout/EmptyLinesAroundBlockBody: Extra empty line detected
at block body beginning. (https://rubystyle.guide#empty-lines-around-bodies)
test/integration/default/controls/service_spec.rb:1:1: C: Style/FrozenStringLiteralComment: Missing frozen string
literal comment.
control 'Php service' do
^
test/integration/default/controls/service_spec.rb:16:3: C: Style/EmptyMethod: Put empty method definitions on a single
line. (https://rubystyle.guide#no-single-line-methods)
  def test_redhat ...
  ^^^^^^^^^^^^^^^
test/integration/default/controls/service_spec.rb:19:3: C: Style/EmptyMethod: Put empty method definitions on a single
line. (https://rubystyle.guide#no-single-line-methods)
  def test_suse ...
  ^^^^^^^^^^^^^

7 files inspected, 12 offenses detected, 8 offenses auto-correctable
```