Minimum changes for secret scanning dry-runs (#24548)

Co-authored-by: Mariam <15mariams@github.com>
Co-authored-by: Laura Coursen <lecoursen@github.com>

data/reusables/advanced-security/secret-scanning-add-custom-pattern-details.md

@@ -2,6 +2,8 @@
    1. You must at least provide the name for your pattern, and a regular expression for the format of your secret pattern.
    1. You can click **More options {% octicon "chevron-down" aria-label="down" %}** to provide other surrounding content or additional match requirements for the secret format.
    1. Provide a sample test string to make sure your configuration is matching the patterns you expect.
-
+   {% ifversion fpt or ghec or ghes > 3.4 or ghae-issue-5499 %}
    ![Create a custom {% data variables.product.prodname_secret_scanning %} pattern form](/assets/images/help/repository/secret-scanning-create-custom-pattern.png)
-1. When you are satisfied with your new custom pattern, click {% ifversion fpt or ghes > 3.2 or ghae or ghec %}**Create pattern**{% elsif ghes = 3.2 %}**Create custom pattern**{% endif %}.
+   {% else %}
+   ![Create a custom {% data variables.product.prodname_secret_scanning %} pattern form](/assets/images/enterprise/3.2/repository/secret-scanning-create-custom-pattern.png)
+   {% endif %}

data/reusables/advanced-security/secret-scanning-create-custom-pattern.md

@@ -0,0 +1 @@
+1. When you're satisfied with your new custom pattern, click {% ifversion fpt or ghec or ghes > 3.4 or ghae-issue-5499 %}**Publish pattern**{% elsif  ghes > 3.2 or ghae %}**Create pattern**{% elsif ghes = 3.2 %}**Create custom pattern**{% endif %}.

data/reusables/secret-scanning/beta-dry-runs.md

@@ -0,0 +1,6 @@
+
+{% note %}
+
+**Note:** The dry run feature is currently in beta and subject to change.
+
+{% endnote %}