tools/ccache: update to 4.6.1

Release notes:
https://ccache.dev/releasenotes.html#_ccache_4_6_1

Signed-off-by: Nick Hainke <vincent@systemli.org>
(cherry picked from commit 2e87e24e43)

tools/ccache/Makefile

@@ -8,11 +8,11 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/target.mk
 
 PKG_NAME:=ccache
-PKG_VERSION:=4.6
+PKG_VERSION:=4.6.1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=https://github.com/ccache/ccache/releases/download/v$(PKG_VERSION)
-PKG_HASH:=3d2bb860f4359169e640f60cf7cc11da5fab5fb9aed55230d78141e49c3945e9
+PKG_HASH:=e5d47bd3cbb504ada864124690e7c0d28ecb1f9aeac22a9976025aed9633f3d1
 
 include $(INCLUDE_DIR)/host-build.mk
 include $(INCLUDE_DIR)/cmake.mk

tools/ccache/patches/100-honour-copts.patch

@@ -1,6 +1,6 @@
 --- a/src/ccache.cpp
 +++ b/src/ccache.cpp
-@@ -1738,6 +1738,7 @@ calculate_result_and_manifest_key(Contex
+@@ -1754,6 +1754,7 @@ calculate_result_and_manifest_key(Contex
                               "CPLUS_INCLUDE_PATH",
                               "OBJC_INCLUDE_PATH",
                               "OBJCPLUS_INCLUDE_PATH", // clang