cpprest: upgrade 2.10.17 -> 2.10.18

cpprestsdk (2.10.18)
* PR#1571 Add ability to parse and emit the NT Epoch 1601-01-01T00:00:00Z
* PR#1571 Update vcpkg submodule
* Update CI configuration
-- cpprestsdk team MON, 1 Feb 2021 20:02:00 -0700

Signed-off-by: Zang Ruochen <zangrc.fnst@cn.fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-support/cpprest/cpprest_2.10.18.bb

@@ -0,0 +1,19 @@
+SUMMARY = "Microsoft project for cloud-based client-server communication in native code using a modern asynchronous C++ API design."
+SECTION = "libs/network"
+HOMEPAGE = "https://github.com/Microsoft/cpprestsdk/"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${S}/license.txt;md5=a2e15b954769218ff912468eecd6a02f"
+DEPENDS = "openssl websocketpp zlib boost brotli"
+
+EXTRA_OECMAKE = "-DCPPREST_EXPORT_DIR=cmake/cpprestsdk -DCPPREST_EXCLUDE_BROTLI=OFF -DWERROR=OFF"
+
+SRC_URI = "git://github.com/Microsoft/cpprestsdk.git;protocol=https;branch=master \
+           file://disable-float-tests.patch \
+           file://disable-outside-tests.patch "
+
+# tag 2.10.17
+SRCREV= "122d09549201da5383321d870bed45ecb9e168c5"
+
+S = "${WORKDIR}/git"
+
+inherit cmake pkgconfig