Fetch tags for correct __version__

Author: kernc

.github/workflows/ci.yml

@@ -32,6 +32,7 @@ jobs:
 
       - name: Checkout repo
         uses: actions/checkout@v2
+      - run: git fetch --depth=1 origin +refs/tags/*:refs/tags/*
 
       - name: Install dependencies
         run: |

.github/workflows/deploy-docs.yml

@@ -22,6 +22,7 @@ jobs:
 
       - name: Checkout repo
         uses: actions/checkout@v2
+      - run: git fetch --depth=1 origin +refs/tags/*:refs/tags/*
 
       - name: Install dependencies
         run: |