TOC links not working in CONTRIBUTING.md

[thnkslprpt]

Checklist

• [x] I reviewed the Contributing Guide.
• [x] I performed a cursory search to see if the bug report is relevant, not redundant, nor in conflict with other tickets.

Describe the bug TOC links do not do anything - they are supposed to link to the relevant section.

Code snips https://github.com/nasa/cFS/blob/5c1228ae0ef2d3daddd64e6cf3f72c974e31e08b/CONTRIBUTING.md?plain=1#L5-L13

Expected behavior TOC links should jump to the expected section.

Reporter Info Avi Weiss @thnkslprpt