Notes for pike7.8 - reproducible builds result

Version annotated: 7.8.866-3
Identified issues:
Identifier: timestamps_from_cpp_macros
URL https://wiki.debian.org/ReproducibleBuilds/TimestampsFromCPPMacros
Description The C pre-processor macros `__DATE__`, `__TIME__`,
capture the current time, and thus will obviously make a build
unreproducible.
Identifier: captures_kernel_version
Description Stores the kernel version (uname -a, /proc/version, etc.) output, normally for debugging purposes.
.
Sub-issue: captures_kernel_version_via_CMAKE_SYSTEM
 

Our notes about issues affecting packages are stored in notes.git and are targeted at packages in Debian in 'unstable/amd64' (unless they say otherwise).