docs: add troubleshooting note on SGPP and max-pods

[jmdeal]

Fixes #N/A

Description
Adds a note in the troubleshooting guide on Security Groups Per Pod and the impact on max pods.

How was this change tested?
N/A

Does this change impact docs?

• Yes, PR includes docs updates
• Yes, issue opened: #
• No

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

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[jmdeal]

Blocking until wording is approved, then I'll copy over to the other doc versions

[coveralls]

Pull Request Test Coverage Report for Build 9569692198

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.01%) to 82.467%

---

Files with Coverage Reduction	New Missed Lines	%
pkg/providers/amifamily/ami.go	1	90.56%

Totals
Change from base Build 9556663188:	-0.01%
Covered Lines:	5550
Relevant Lines:	6730

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9570272031

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.01%) to 82.467%

---

Files with Coverage Reduction	New Missed Lines	%
pkg/providers/amifamily/ami.go	1	90.56%

Totals
Change from base Build 9569831660:	-0.01%
Covered Lines:	5550
Relevant Lines:	6730

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9587671338

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.01%) to 82.467%

---

Files with Coverage Reduction	New Missed Lines	%
pkg/providers/amifamily/ami.go	1	90.56%

Totals
Change from base Build 9569831660:	-0.01%
Covered Lines:	5550
Relevant Lines:	6730

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9617680379

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 82.481%

---

Totals
Change from base Build 9569831660:	0.0%
Covered Lines:	5551
Relevant Lines:	6730

---

💛 - Coveralls

[jonathan-innis]

LGTM 🚀

[coveralls]

Pull Request Test Coverage Report for Build 9617749237

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.01%) to 82.481%

---

Totals
Change from base Build 9601098644:	0.01%
Covered Lines:	5551
Relevant Lines:	6730

---

💛 - Coveralls