use relative paths to avoid incorrect contaxt values in containers (actions/runner#2058)

Author: scareything

.github/workflows/cmake.yml

@@ -58,24 +58,21 @@ jobs:
           apt -y update
           apt -y install ${{ matrix.install }}
 
-      - name: make build dir
-        run: cmake -E make_directory ${{runner.workspace}}/build
-
       - name: configure cmake
         env:
-          TOOLCHAIN: ${{ matrix.toolchain && format('{0}/toolchains/{1}', github.workspace, matrix.toolchain) || '' }}
-        run: cmake ${{matrix.cmake_opts}} -DCMAKE_TOOLCHAIN_FILE="${TOOLCHAIN}" -S ${{ github.workspace }} -B ${{github.workspace}}/build
+          TOOLCHAIN: ${{ matrix.toolchain && format('./toolchains/{1}', matrix.toolchain) || '' }}
+        run: cmake ${{matrix.cmake_opts}} -DCMAKE_TOOLCHAIN_FILE="${TOOLCHAIN}" -S . -B ./build
 
       - name: build ziti-edge-tunnel bundle target
-        run: cmake --build ${{github.workspace}}/build --target bundle --verbose
+        run: cmake --build ./build --target bundle --verbose
 
       - name: list bundle artifacts
         run: ls -R
-        working-directory: ${{ github.workspace }}/build/bundle/
+        working-directory: ./build/bundle/
 
       - name: list program artifacts
         run: ls -R
-        working-directory: ${{ github.workspace }}/build/programs/ziti-edge-tunnel/
+        working-directory: ./build/programs/ziti-edge-tunnel/
 
       - name: upload bundle artifacts
         uses: actions/upload-artifact@v3