Rollup of 6 pull requests

[Dylan-DPC]

Successful merges:

• Emit a note that static bounds from HRTBs are a bug #101433 (Emit a note that static bounds from HRTBs are a bug)
• smol grammar changes to README.md #101684 (smol grammar changes to README.md)
• rustdoc: remove redundant CSS .out-of-band > span.since { position } #101769 (rustdoc: remove redundant CSS .out-of-band > span.since { position })
• Also replace the placeholder for the stable_features lint #101772 (Also replace the placeholder for the stable_features lint)
• rustdoc: remove outdated CSS .content table etc #101773 (rustdoc: remove outdated CSS .content table etc)
• Update test output for drop tracking #101779 (Update test output for drop tracking)

Failed merges:

r? @ghost
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