cfitsio: add mirror

Closes #23135.
guile: promote 2.0.9 to stable

We held back on 2.0 as stable way back in #5127 because lilypond didn't
work with it, but now everything in core works with guile 2.0.9.
texxmacs 1.0.7.20
doctor: avoid using MACOS_VERSION
Prefer interpolation to concatenation
Remove outdated comment
Remove unused variable
brew-test-bot: remove escape characters.
passenger 4.0.20

Closes #23146.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
gpac: new URL (target of redirect for old URL)

Closes #23142.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
gcutil 1.9.1

Closes #23140.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
git-multipush 2.4rc2 / HEAD

Closes #23005.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
vim 7.4.052
download_strategy: rename @spec to @ref_type
download_strategy: style nits
SubversionDownloadStrategy: stop mutating revisions hash
Extract a new superclass for VCS-based download strategies
VCSDownloadStrategy: destructure spec hash more efficiently
Move checkout_name from AbstractDownloadStrategy to VCSDownloadStrategy
rpm: don't muck with internals in RpmDownloadStrategy