Merge branch 'boost180' into 'master'

Bump boost to 1.80 for windows

Closes #6942

See merge request OpenMW/openmw!2304

(cherry picked from commit 9f26d6023b)

448853fb Update CI/before_script.msvc.sh

CI/before_script.msvc.sh

@@ -379,9 +379,9 @@ case $VS_VERSION in
 		QT_MSVC_YEAR="2019"
 		BULLET_MSVC_YEAR="2015"
 
-		BOOST_VER="1.79.0"
-		BOOST_VER_URL="1_79_0"
-		BOOST_VER_SDK="107900"
+		BOOST_VER="1.80.0"
+		BOOST_VER_URL="1_80_0"
+		BOOST_VER_SDK="108000"
 		;;
 
 	16|16.0|2019 )
@@ -397,9 +397,9 @@ case $VS_VERSION in
 		QT_MSVC_YEAR="2019"
 		BULLET_MSVC_YEAR="2015"
 
-		BOOST_VER="1.79.0"
-		BOOST_VER_URL="1_79_0"
-		BOOST_VER_SDK="107900"
+		BOOST_VER="1.80.0"
+		BOOST_VER_URL="1_80_0"
+		BOOST_VER_SDK="108000"
 		;;
 
 	15|15.0|2017 )