Updating copyright and move the copyright to Redis

[K-Jo]

closes #544

[madolson]

@K-Jo You need to follow our contribution requirements and sign your PR. See https://github.com/valkey-io/valkey/pull/726/checks?check_run_id=26911511132 and https://github.com/valkey-io/valkey/pull/726/checks?check_run_id=26911511132. Let me know if you have any questions.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.24%. Comparing base (752b6ee) to head (0cc9c57).
Report is 2 commits behind head on unstable.

Additional details and impacted files

@@             Coverage Diff              @@
##           unstable     #726      +/-   ##
============================================
+ Coverage     70.20%   70.24%   +0.03%     
============================================
  Files           111      111              
  Lines         60242    60242              
============================================
+ Hits          42295    42319      +24     
+ Misses        17947    17923      -24     

Files	Coverage Δ
deps/hiredis/sds.h	46.87% <ø> (ø)
src/acl.c	88.89% <ø> (ø)
src/adlist.c	74.31% <ø> (ø)
src/ae.c	79.90% <ø> (ø)
src/ae_epoll.c	84.84% <ø> (ø)
src/anet.c	72.67% <ø> (ø)
src/aof.c	80.07% <ø> (ø)
src/asciilogo.h	100.00% <ø> (ø)
src/bio.c	83.46% <ø> (ø)
src/bitops.c	94.18% <ø> (ø)
... and 73 more

... and 2 files with indirect coverage changes

[hwware]

Redis Ltd founded in 2011 (https://en.wikipedia.org/wiki/Redis_(company)), could you please update this properly? There are some similar updates in other files, Thanks

[K-Jo]

Thanks @madolson, closing this and opened #740