Mattermost v2: Added support for multiple notification types

[MLainer1]

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Status

• In Progress
• Ready
• In Hold - (Reason for hold)

Related Issues

fixes: link to the issue

Description

Adding support for notifications

Must have

• Tests
• Documentation

[github-actions]

Coverage Report

File	Stmts	Miss	Cover	Missing
Packs/Mattermost/Integrations/MattermostV2
MattermostV2.py	672	190	71%	253, 255, 262, 272, 274, 304, 308–310, 313–314, 318, 320, 372, 481–486, 488–489, 492–499, 501, 503, 519, 521, 523–525, 542, 582–583, 602–603, 612–613, 622–623, 655, 663, 666, 678, 691–698, 702–706, 708, 710, 712, 734, 758, 781–782, 792, 850, 858–865, 867–868, 879, 884, 887, 941, 943–944, 946–949, 953–954, 1183–1184, 1226–1233, 1235, 1237, 1239, 1296–1299, 1301, 1306–1308, 1310, 1341–1342, 1351–1355, 1382, 1385, 1389–1390, 1392, 1394–1396, 1424, 1426, 1442, 1446–1447, 1461, 1470–1471, 1473–1475, 1477–1479, 1481, 1486–1489, 1502–1510, 1512–1517, 1524–1527, 1530, 1532–1535, 1556–1561, 1570, 1575, 1583, 1590, 1602, 1605–1607, 1614–1615
TOTAL	672	190	71%

Tests	Skipped	Failures	Errors	Time
87	0 💤	0 ❌	0 🔥	7.234s ⏱️

[RotemAmit]

nice!

[dantavori]

nice, will approve after our sync

[ShirleyDenkberg]

@dantavori @RotemAmit Doc review completed.

[dantavori]

approving but see notes