Rlease v1.4

Docs - Add release notes (#92)

__Description__
Add LTP release note.

__Major Revision__
- Add release note for v1.3 v1.2 v1.1 v1.0

Merge pull request #47 from microsoft/yutji/fix-alert-parser

Bug Fix - alert parser race condition due to prometheus delay

Merged PR 64: Merge BugFix and SecurityFix from release/1.1 to main

- Merged PR 46: Fix sdk path and submodule checkout
- Merged PR 49: Fix dockerfile build issues of alert-manager
- Merged PR 54: Bug fix of alert-parser and node-issue-classifiler
- Merged PR 57: Add init vm states and info for first launch
- Merged PR 62: alert-parser: handle case for node availibility status change during service down
- Merged PR 61: fix bug and add logging for node recycler
- Merged PR 63: Update validation job config
- Merged PR 59: security fix

Merged PR 21: Auto push images according to the given service list