git: update to v2.42.0

Update to git version v2.42.0, this requires changes for these
upstream commits:

* bc5c5ec0446895f5c4139cd470066beb3c4ac6d5
  cache.h: remove this no-longer-used header

* aba070683295a20bdf4f49146384984961c794b2
  path: move related function to path

* a4e7e317f8f27f861321e6eb08b9c8c0f3ab570c
  config: add ctx arg to config_fn_t

Signed-off-by: Christian Hesse <mail@eworm.de>

Makefile

@@ -14,7 +14,7 @@ htmldir = $(docdir)
 pdfdir = $(docdir)
 mandir = $(prefix)/share/man
 SHA1_HEADER = <openssl/sha.h>
-GIT_VER = 2.41.0
+GIT_VER = 2.42.0
 GIT_URL = https://www.kernel.org/pub/software/scm/git/git-$(GIT_VER).tar.xz
 INSTALL = install
 COPYTREE = cp -r

cgit.h

@@ -6,7 +6,6 @@
 #include <git-compat-util.h>
 
 #include <archive.h>
-#include <cache.h>
 #include <commit.h>
 #include <diffcore.h>
 #include <diff.h>
@@ -19,6 +18,7 @@
 #include <object.h>
 #include <object-name.h>
 #include <object-store.h>
+#include <path.h>
 #include <refs.h>
 #include <revision.h>
 #include <setup.h>

git

@@ -1 +1 @@
-Subproject commit fe86abd7511a9a6862d5706c6fa1d9b57a63ba09
+Subproject commit 43c8a30d150ecede9709c1f2527c8fba92c65f40

scan-tree.c

@@ -54,7 +54,7 @@ static void scan_tree_repo_config(const char *name, const char *value)
 	config_fn(repo, name, value);
 }
 
-static int gitconfig_config(const char *key, const char *value, void *cb)
+static int gitconfig_config(const char *key, const char *value, const struct config_context *, void *cb)
 {
 	const char *name;