Git ownership workaround

actions/checkout#1169

Author: kimo-k

.github/workflows/continuous-deployment-workflow.yml

@@ -16,6 +16,7 @@ jobs:
         password: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - uses: actions/checkout@v2
+      - run: git config --system --add safe.directory /__w/re-frame/re-frame
       - name: Maven cache
         id: maven-cache
         uses: actions/cache@v2
@@ -102,6 +103,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0
+      - run: git config --system --add safe.directory /__w/re-frame/re-frame
       - name: Maven cache
         id: maven-cache
         uses: actions/cache@v2

.github/workflows/continuous-integration-workflow.yml

@@ -25,6 +25,7 @@ jobs:
         password: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - uses: actions/checkout@v2
+      - run: git config --system --add safe.directory /__w/re-frame/re-frame
       - name: Maven cache
         id: maven-cache
         uses: actions/cache@v2

.github/workflows/docs-workflow.yml

@@ -26,6 +26,7 @@ jobs:
         uses: actions/checkout@v2
         with:
           fetch-depth: 0
+      - run: git config --system --add safe.directory /__w/re-frame/re-frame
       - name: Build re-frame.core Documentation
         working-directory: docs
         # Source: https://github.com/day8/re-frame/blob/master/docs/src/ns_to_markdown.clj
@@ -59,6 +60,7 @@ jobs:
     steps:
       - name: Checkout Current Branch
         uses: actions/checkout@v2
+      - run: git config --system --add safe.directory /__w/re-frame/re-frame
       - name: Maven cache
         id: maven-cache
         uses: actions/cache@v1
@@ -111,6 +113,7 @@ jobs:
     steps:
       - name: Checkout Current Branch
         uses: actions/checkout@v2
+      - run: git config --system --add safe.directory /__w/re-frame/re-frame
       - name: Download api-re-frame.core.md Artifact
         uses: actions/download-artifact@v2
         with:
@@ -150,6 +153,7 @@ jobs:
         with:
           ref: "gh-pages"
           path: "gh-pages"
+      - run: git config --system --add safe.directory /__w/re-frame/re-frame
       - name: Download MkDocs Artifact
         uses: actions/download-artifact@v1
         with: