replace add-path with GITHUB_PATH

.github/workflows/build.yml

@@ -58,7 +58,7 @@ jobs:
           rm inkscape-0.92.3.tar.bz2
           mv inkscape-0.92.3 inkscape
 
-          echo "::add-path::${{ env.pythonLocation }}\bin"
+          echo "${{ env.pythonLocation }}\bin" >> $GITHUB_PATH
       - shell: bash
         run: |
           make dist
@@ -81,7 +81,7 @@ jobs:
         with:
           python-version: '2.7.x'
           architecture: 'x86'
-      - uses: microsoft/setup-msbuild@v1.0.1
+      - uses: microsoft/setup-msbuild@v1.0.2
       - name: download dependencies
         shell: bash
         run: |
@@ -99,7 +99,7 @@ jobs:
           rm inkscape-0.92.3.tar.bz2
           mv inkscape-0.92.3 inkscape
 
-          echo "::add-path::${{ env.pythonLocation }}\bin"
+          echo "${{ env.pythonLocation }}\bin" >> $GITHUB_PATH
       - name: fix geos
         shell: bash
         run: |
@@ -145,7 +145,7 @@ jobs:
           export PKG_CONFIG_PATH="/usr/local/opt/libffi/lib/pkgconfig"
           
           # for msgfmt
-          echo "::add-path::/usr/local/opt/gettext/bin"
+          echo "/usr/local/opt/gettext/bin" >> $GITHUB_PATH
 
           echo "::set-env name=GI_TYPELIB_PATH::/usr/local/lib/girepository-1.0/"
 
@@ -158,7 +158,7 @@ jobs:
           rm inkscape-0.92.3.tar.bz2
           mv inkscape-0.92.3 inkscape
 
-          echo "::add-path::${{ env.pythonLocation }}/bin"
+          echo "${{ env.pythonLocation }}/bin" >> $GITHUB_PATH
       - shell: bash
         run: |
           make dist