Enable persist-credentials in Dependabot PR workflow

Signed-off-by: Lennart Jern <lennart.jern@est.tech>

Author: lentzi90

.github/workflows/pr-dependabot.yaml

@@ -22,7 +22,7 @@ jobs:
     - name: Check out code into the Go module directory
       uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # tag=v6.0.2
       with:
-        persist-credentials: false
+        persist-credentials: true # We need this for commit and push later
     - name: Calculate go version
       id: vars
       run: echo "go_version=$(make go-version)" >> $GITHUB_OUTPUT