Merge branch 'ps/leakfixes-part-5'

Even more leak fixes.

* ps/leakfixes-part-5:
  transport: fix leaking negotiation tips
  transport: fix leaking arguments when fetching from bundle
  builtin/fetch: fix leaking transaction with `--atomic`
  remote: fix leaking peer ref when expanding refmap
  remote: fix leaks when matching refspecs
  remote: fix leaking config strings
  builtin/fetch-pack: fix leaking refs
  sideband: fix leaks when configuring sideband colors
  builtin/send-pack: fix leaking refspecs
  transport: fix leaking OID arrays in git:// transport data
  t/helper: fix leaking multi-pack-indices in "read-midx"
  builtin/repack: fix leaks when computing packs to repack
  midx-write: fix leaking hashfile on error cases
  builtin/archive: fix leaking `OPT_FILENAME()` value
  builtin/upload-archive: fix leaking args passed to `write_archive()`
  builtin/merge-tree: fix leaking `-X` strategy options
  pretty: fix leaking key/value separator buffer
  pretty: fix memory leaks when parsing pretty formats
  convert: fix leaks when resetting attributes
  mailinfo: fix leaking header data

diff --cc builtin/bundle.c
Simple merge

diff --cc bundle.c
Simple merge

diff --cc mailinfo.c
Simple merge

diff --cc midx-write.c
Simple merge

diff --cc sideband.c
Simple merge

diff --cc transport.c
Simple merge