package/mongoose: bump to version 7.15

https://github.com/cesanta/mongoose/releases/tag/7.15

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/mongoose/mongoose.hash

@@ -1,3 +1,3 @@
 # Locally computed:
-sha256  7c4aecf92f7f27f1cbb2cbda3c185c385f2b7af84f6bd7c0ce31b84742b15691  mongoose-7.14.tar.gz
+sha256  efcb5aa89b85d40373dcff3241316ddc0f2f130ad7f05c9c964f8cc1e2078a0b  mongoose-7.15.tar.gz
 sha256  7e2bc5dabbc27b431a530540161ba860906f12109d4b84b1e4bc8879f1afc3bc  LICENSE

package/mongoose/mongoose.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-MONGOOSE_VERSION = 7.14
+MONGOOSE_VERSION = 7.15
 MONGOOSE_SITE = $(call github,cesanta,mongoose,$(MONGOOSE_VERSION))
 MONGOOSE_LICENSE = GPL-2.0
 MONGOOSE_LICENSE_FILES = LICENSE