Use same depinst setup for posix and windows CI.

.github/workflows/ci.yml

@@ -79,10 +79,10 @@ jobs:
           git clone -b $BOOST_BRANCH --depth 10 https://github.com/boostorg/boost.git boost-root
           cd boost-root
           git submodule update --init --depth 10 --jobs 2 tools/boostdep tools/inspect libs/filesystem
-          python tools/boostdep/depinst/depinst.py --git_args "--depth 10 --jobs 3" filesystem
           rm -rf libs/$LIBRARY/*
           cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
           python tools/boostdep/depinst/depinst.py --include benchmark --include example --include examples --include tools --git_args "--depth 10 --jobs 3" $LIBRARY
+          python tools/boostdep/depinst/depinst.py --git_args "--depth 10 --jobs 3" filesystem
           ./bootstrap.sh
           ./b2 -d0 headers
           ./b2 -j4 variant=debug tools/inspect/build
@@ -174,6 +174,7 @@ jobs:
           xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
           git submodule update --init tools/boostdep
           python tools/boostdep/depinst/depinst.py --include benchmark --include example --include examples --include tools --git_args "--jobs 3" %LIBRARY%
+          python tools/boostdep/depinst/depinst.py --git_args "--depth 10 --jobs 3" filesystem
           cmd /c bootstrap
           b2 -d0 headers