package/gtest: bump to version 1.15.2

Signed-off-by: Michael Nosthoff <buildroot@heine.tech>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/gtest/gtest.hash

@@ -1,3 +1,3 @@
 # Locally computed:
-sha256  8ad598c73ad796e0d8280b082cebd82a630d73e73cd3c70057938a6501bba5d7  gtest-1.14.0.tar.gz
+sha256  7b42b4d6ed48810c5362c265a17faebe90dc2373c885e5216439d37927f02926  gtest-1.15.2.tar.gz
 sha256  9702de7e4117a8e2b20dafab11ffda58c198aede066406496bef670d40a22138  LICENSE

package/gtest/gtest.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-GTEST_VERSION = 1.14.0
+GTEST_VERSION = 1.15.2
 GTEST_SITE = $(call github,google,googletest,v$(GTEST_VERSION))
 GTEST_INSTALL_STAGING = YES
 GTEST_INSTALL_TARGET = NO