Update teamspace-setup.md

[jcpoyser]

Description

• updating to use a smaller Teamspace Certified image
• corrected "Stuck Waiting for DNS" command
• removed extra quote symbol on end of troubleshooting helm command
• changed references from "system" to "spaceagent" for 2.7.1 release

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🦙 MegaLinter status: ⚠️ WARNING

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	1		0	0.0s
✅ DOCKERFILE	hadolint	1		0	0.05s
✅ JSON	jsonlint	15		0	0.19s
⚠️ MARKDOWN	markdownlint	31		263	0.89s
⚠️ MARKDOWN	markdown-table-formatter	31		1	0.28s

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