add security context to placeholder pod

[OliverMKing]

Description

adds security context to placeholder pod

[OliverMKing]

/ok-to-test sha=87b6603

[coveralls]

Pull Request Test Coverage Report for Build 8708069112

Details

• 15 of 15 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.08%) to 80.471%

---

Totals
Change from base Build 8707186261:	0.08%
Covered Lines:	2905
Relevant Lines:	3610

---

💛 - Coveralls

[davidgamero]

lgtm