GHA CI: put libtorrent into its own directory

Previously it was rooted within qbt project and it caused some issues when running
'update translations' command.

.github/workflows/ci_macos.yaml

@@ -24,6 +24,7 @@ jobs:
     env:
       boost_path: "${{ github.workspace }}/../boost"
       openssl_root: /usr/local/opt/openssl@3
+      libtorrent_path: "${{ github.workspace }}/../libtorrent"
 
     steps:
       - name: Checkout repository
@@ -72,8 +73,9 @@ jobs:
             --branch v${{ matrix.libt_version }} \
             --depth 1 \
             --recurse-submodules \
-            https://github.com/arvidn/libtorrent.git
-          cd libtorrent
+            https://github.com/arvidn/libtorrent.git \
+            ${{ env.libtorrent_path }}
+          cd ${{ env.libtorrent_path }}
           cmake \
             -B build \
             -G "Ninja" \
@@ -121,7 +123,7 @@ jobs:
           mkdir upload/cmake
           cp build/compile_commands.json upload/cmake
           mkdir upload/cmake/libtorrent
-          cp libtorrent/build/compile_commands.json upload/cmake/libtorrent
+          cp ${{ env.libtorrent_path }}/build/compile_commands.json upload/cmake/libtorrent
 
       - name: Upload build artifacts
         uses: actions/upload-artifact@v3

.github/workflows/ci_ubuntu.yaml

@@ -25,6 +25,7 @@ jobs:
     env:
       boost_path: "${{ github.workspace }}/../boost"
       harden_flags: "-D_FORTIFY_SOURCE=2 -D_GLIBCXX_ASSERTIONS"
+      libtorrent_path: "${{ github.workspace }}/../libtorrent"
 
     steps:
       - name: Checkout repository
@@ -67,8 +68,9 @@ jobs:
             --branch v${{ matrix.libt_version }} \
             --depth 1 \
             --recurse-submodules \
-            https://github.com/arvidn/libtorrent.git
-          cd libtorrent
+            https://github.com/arvidn/libtorrent.git \
+            ${{ env.libtorrent_path }}
+          cd ${{ env.libtorrent_path }}
           CXXFLAGS="$CXXFLAGS ${{ env.harden_flags }}" \
           cmake \
             -B build \
@@ -120,7 +122,7 @@ jobs:
           mkdir upload/cmake
           cp build/compile_commands.json upload/cmake
           mkdir upload/cmake/libtorrent
-          cp libtorrent/build/compile_commands.json upload/cmake/libtorrent
+          cp ${{ env.libtorrent_path }}/build/compile_commands.json upload/cmake/libtorrent
 
       - name: Install AppImage
         run: |

.github/workflows/ci_windows.yaml

@@ -21,7 +21,7 @@ jobs:
 
     env:
       boost_path: "${{ github.workspace }}/../boost"
-      libtorrent_path: "${{ github.workspace }}/libtorrent"
+      libtorrent_path: "${{ github.workspace }}/../libtorrent"
       vpkg_triplet_path: "${{ github.workspace }}/../triplets_overlay"
 
     steps:
@@ -98,8 +98,9 @@ jobs:
             --branch v${{ matrix.libt_version }} `
             --depth 1 `
             --recurse-submodules `
-            https://github.com/arvidn/libtorrent.git
-          cd libtorrent
+            https://github.com/arvidn/libtorrent.git `
+            ${{ env.libtorrent_path }}
+          cd ${{ env.libtorrent_path }}
           $env:CXXFLAGS+=" /guard:cf"
           $env:LDFLAGS+=" /guard:cf"
           cmake `
@@ -107,7 +108,7 @@ jobs:
             -G "Ninja" `
             -DCMAKE_BUILD_TYPE=RelWithDebInfo `
             -DCMAKE_EXPORT_COMPILE_COMMANDS=ON `
-            -DCMAKE_INSTALL_PREFIX="${{ env.libtorrent_path }}" `
+            -DCMAKE_INSTALL_PREFIX="${{ env.libtorrent_path }}/install" `
             -DCMAKE_TOOLCHAIN_FILE="${{ env.RUNVCPKG_VCPKG_ROOT }}/scripts/buildsystems/vcpkg.cmake" `
             -DBOOST_ROOT="${{ env.boost_path }}" `
             -DBUILD_SHARED_LIBS=OFF `
@@ -127,7 +128,7 @@ jobs:
             -DCMAKE_EXPORT_COMPILE_COMMANDS=ON `
             -DCMAKE_TOOLCHAIN_FILE="${{ env.RUNVCPKG_VCPKG_ROOT }}/scripts/buildsystems/vcpkg.cmake" `
             -DBOOST_ROOT="${{ env.boost_path }}" `
-            -DLibtorrentRasterbar_DIR="${{ env.libtorrent_path }}/lib/cmake/LibtorrentRasterbar" `
+            -DLibtorrentRasterbar_DIR="${{ env.libtorrent_path }}/install/lib/cmake/LibtorrentRasterbar" `
             -DMSVC_RUNTIME_DYNAMIC=ON `
             -DTESTING=ON `
             -DVCPKG_TARGET_TRIPLET=x64-windows-static-md-release `
@@ -170,7 +171,7 @@ jobs:
           copy build/compile_commands.json upload/cmake
           copy build/target_graph.dot upload/cmake
           mkdir upload/cmake/libtorrent
-          copy libtorrent/build/compile_commands.json upload/cmake/libtorrent
+          copy ${{ env.libtorrent_path }}/build/compile_commands.json upload/cmake/libtorrent
 
       - name: Upload build artifacts
         uses: actions/upload-artifact@v3