github-ci: set safe directory before reset

While the latest checkout action does set the "safe.directory"
parameter, it doesn't appear to stick for the following "git fetch", so
call this command again.

.github/workflows/commits.yml

@@ -73,6 +73,8 @@ jobs:
       - uses: actions/checkout@dcd71f646680f2efd8db4afa5ad64fdcba30e748
         with:
           fetch-depth: 0
+      # The action above is supposed to do this for us, but it doesn't appear to stick.
+      - run: /usr/bin/git config --global --add safe.directory /__w/suricata/suricata
       - run: git fetch
       - run: git clone https://github.com/OISF/libhtp -b 0.5.x
       - name: Building all commits

.github/workflows/formatting.yml

@@ -95,7 +95,8 @@ jobs:
         # does not know the branch (from the forked repo). Argh.
 #        with:
 #          ref: ${{ github.head_ref }} # check out branch
-
+      # The action above is supposed to do this for us, but it doesn't appear to stick.
+      - run: /usr/bin/git config --global --add safe.directory /__w/suricata/suricata
       # Manually ignore the merge commit as none of the with/ref things tried
       # with actions/checkout seemed to work for pull requests from forks into
       # the OISF repo.