Add libcc1 to bug components

As found by Tom Tromey in https://gcc.gnu.org/pipermail/gcc-patches/2024-February/646807.html
libcc1 is not listed as bug component even though it is there in bugzilla.
This fixes that oversight.

Committed as obvious after testing using git gcc-verify on a patch.

contrib/ChangeLog:

	* gcc-changelog/git_commit.py (bug_components): Add libcc1.

Signed-off-by: Andrew Pinski <quic_apinski@quicinc.com>

contrib/gcc-changelog/git_commit.py

@@ -105,6 +105,7 @@ bug_components = {
     'java',
     'jit',
     'libbacktrace',
+    'libcc1',
     'libf2c',
     'libffi',
     'libfortran',