Merge bitcoin/bitcoin#26121: build: Bump version to 24.99

0567b56 build: Bump version to 24.99 (fanquake)

Pull request description:

  24.x has been branched off: https://github.com/bitcoin/bitcoin/tree/24.x.

  On the master branch, bump to 24.99 (pre-25.0).

ACKs for top commit:
  theStack:
    ACK 0567b56

Tree-SHA512: 5207363c707d9fe2b392cafc823fd31b99f06f87b0ad0a20841c78fd6e3ad6f030d9ebf995b1ab3b3843a1dca7f86e65889120ee0f490cb80d175de666f5ff75

Author: MacroFake

configure.ac

@@ -1,5 +1,5 @@
 AC_PREREQ([2.69])
-define(_CLIENT_VERSION_MAJOR, 23)
+define(_CLIENT_VERSION_MAJOR, 24)
 define(_CLIENT_VERSION_MINOR, 99)
 define(_CLIENT_VERSION_BUILD, 0)
 define(_CLIENT_VERSION_RC, 0)