Rollup of 7 pull requests

[Dylan-DPC-zz]

Successful merges:

• Emit 1-based column numbers in debuginfo #69357 (Emit 1-based column numbers in debuginfo)
• Remove sip::Hasher::short_write. #69471 (Remove sip::Hasher::short_write.)
• Change "method" to "associated function" #69498 (Change "method" to "associated function")
• Remove a few Rcs from RegionInferenceCtxt #69967 (Remove a few Rcs from RegionInferenceCtxt)
• Add self to .mailmap #69987 (Add self to .mailmap)
• fix E0117 message out of sync #69991 (fix E0117 message out of sync)
• Add long error explanation for E0693 #69993 (Add long error explanation for E0693)

Failed merges:

r? @ghost