Fix Vale issues for ./user/group/value_stream_analytics/index.md

The following issues occurred when we ran a linting tool called Vale against this topic. To fix the issues, open a merge request for the markdown file, which you'll find in the /doc directory. The first number on each line indicates the line number.

If you feel any of these warnings are incorrect, feel free to create an issue with the tw-test label so we can improve our Vale tests.

96:180:gitlab.FutureTense:Avoid using future tense: will be. Use present tense instead.

115:87:gitlab.FutureTense:Avoid using future tense: will not. Use present tense instead.

116:34:gitlab.FutureTense:Avoid using future tense: will not. Use present tense instead.

242:35:gitlab.FutureTense:Avoid using future tense: will always. Use present tense instead.

265:42:gitlab.FutureTense:Avoid using future tense: will only. Use present tense instead.