Fix CI build issues on Windows and increase minimum to numpy >= 1.17

.github/workflows/ci.yml

@@ -27,13 +27,24 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - name: Get history and tags for SCM versioning to work
+    - name: Get history and tags for SCM versioning to work (Unix)
+      if: runner.os != 'Windows'
       run: |
         if [ $(git rev-parse --is-shallow-repository) == "true" ]; then
             git fetch --prune --unshallow
             git fetch --depth=1 origin +refs/tags/*:refs/tags/*
         fi
 
+    - name: Get history and tags for SCM versioning to work (Windows)
+      if: runner.os == 'Windows'
+      run: |
+        $value = git rev-parse --is-shallow-repository
+        if ( $value -eq "true" )
+        {
+            git fetch --prune --unshallow
+            git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+        }
+
     - name: Setup Python ${{ matrix.python }}
       uses: actions/setup-python@v2
       with:
@@ -333,12 +344,14 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - name: Get history and tags for SCM versioning to work
+    - name: Get history and tags for SCM versioning to work (Windows)
       run: |
-        if [ $(git rev-parse --is-shallow-repository) == "true" ]; then
+        $value = git rev-parse --is-shallow-repository
+        if ( $value -eq "true" )
+        {
             git fetch --prune --unshallow
             git fetch --depth=1 origin +refs/tags/*:refs/tags/*
-        fi
+        }
 
     - name: Get pip cache dir
       id: pip-cache

setup.cfg

@@ -33,7 +33,7 @@ python_requires = >= 3
 install_requires =
     matplotlib >= 2.2.3
     networkx >= 2
-    numpy
+    numpy >= 1.17 # mainly for Qiskit
     requests
     scipy