Updated promtail git tag

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/apps/sandbox/promtail/-/blob/6.8.1-bb.0/CHANGELOG.md

Package MR

https://repo1.dso.mil/big-bang/apps/sandbox/promtail/-/merge_requests/23

For Issue

Closes https://repo1.dso.mil/big-bang/apps/sandbox/promtail/-/issues/15

added botmr promtail statusreview labels

assigned to @project_2872_bot2

changed the description

requested review from @micah.nagel, @ryan.j.garcia, and @rob.ferguson

assigned to @trkdashin

changed the description

marked this merge request as ready

changed milestone to %1.53.0

approved this merge request

merged

mentioned in commit f17f43bf