[balsa] (10 commits) Non-fast-forward update to branch port-to-pcre2

[Peter Bloomfield <peterb src gnome org>]

The branch 'port-to-pcre2' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  18fa9db... regex: PCRE2 replacements for GRegex functions
  1043b73... Build tools: Add LibBalsaRegex
  4036e62... libbalsa: Error domain for LibBalsaRegex
  fc10f54... regex: Documentation typo
  4833fbc... Various: Port to LibBalsaRegex
  e796449... regex: Use PCRE2's JIT compiler
  e878241... libbalsa: Add LIBBALSA_REGEX_ERROR_JIT_COMPILE
  6dbba4a... gmime-gpgme-signature: Use a custom parser
  4d6763a... regex: Drop libbalsa_regex_split()

Commits added to the branch:

  8c32f9f... autocrypt: fix crash when importing a half-broken key fails (*)
  9808b4a... regex: PCRE2 replacements for GRegex functions
  436d363... Build tools: Add LibBalsaRegex
  bbd83b1... libbalsa: Error domain for LibBalsaRegex
  e6a567d... regex: Documentation typo
  1b40b0a... Various: Port to LibBalsaRegex
  0d7d6dc... regex: Use PCRE2's JIT compiler
  a6412ac... libbalsa: Add LIBBALSA_REGEX_ERROR_JIT_COMPILE
  2455c91... gmime-gpgme-signature: Use a custom parser
  d8a479c... regex: Drop libbalsa_regex_split()

(*) This commit already existed in another branch; no separate mail sent