Fix Vale issues for user/application_security/get-started-security.md

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Documentation issue

In the file user/application_security/get-started-security.md, update the following lines to address the listed issue.

Line	Rule	Suggestion
12	gitlab.FutureTense	Instead of future tense 'will help', use present tense.
19	gitlab.FutureTense	Instead of future tense 'will display', use present tense.
31	gitlab.FutureTense	Instead of future tense 'will surface', use present tense.