docs: fixes spacing issue that cut budget table out of gsod proposal doc

[HCloward]

What/Why/How?

There was a space addd to the closing Markdoc bracket that kept the final budget table from showing up on the gsod proposal page. This PR is to fix that spacing issue.

Security

• Security impact of change has been considered
• Code follows company security practices and guidelines

[changeset-bot]

⚠️ No Changeset found

Latest commit: 0b1343a

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[github-actions]

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
redocly lint packages/core/src/benchmark/benches/rebilly.yaml	984.6 ± 16.6	963.3	1009.8	1.00
redocly-next lint packages/core/src/benchmark/benches/rebilly.yaml	999.5 ± 18.7	970.6	1042.8	1.02 ± 0.03

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	76.64%	4394/5733
🟡	Branches	66.72%	2360/3537
🟡	Functions	70.1%	722/1030
🟡	Lines	76.82%	4125/5370

Test suite run success

716 tests passing in 101 suites.

Report generated by 🧪jest coverage report action from 0b1343a

[lornajane]

Not sure how I missed this the first time! Approved.