afflib 3.7.6

Closes #33806.
afflib: update 3.7.6 bottle.
Provide compatibility with libtool 2.4.2 and 2.4.3+

The location of config.guess and config.sub changed.
isl: add note that we can't upgrade until a newer cloog is released

Closes #30117.
Updated spring-roo to 1.3.0
spring-roo: add 1.3.0 bottle.