Relocate docker.sock in dind rootless example (#53759)

Co-authored-by: mc <42146119+mchammer01@users.noreply.github.com>
Co-authored-by: Kevin Heis <heiskr@users.noreply.github.com>

Author: 3 people

content/actions/hosting-your-own-runners/managing-self-hosted-runners-with-actions-runner-controller/deploying-runner-scale-sets-with-actions-runner-controller.md

@@ -653,17 +653,21 @@ template:
       command: ["/home/runner/run.sh"]
       env:
         - name: DOCKER_HOST
-          value: unix:///var/run/docker.sock
+          value: unix:///run/user/1001/docker.sock
+      securityContext:
+        privileged: true
+        runAsUser: 1001
+        runAsGroup: 1001
       volumeMounts:
         - name: work
           mountPath: /home/runner/_work
         - name: dind-sock
-          mountPath: /var/run
+          mountPath: /run/user/1001
     - name: dind
       image: docker:dind-rootless
       args:
         - dockerd
-        - --host=unix:///var/run/docker.sock
+        - --host=unix:///run/user/1001/docker.sock
       securityContext:
         privileged: true
         runAsUser: 1001
@@ -672,7 +676,7 @@ template:
         - name: work
           mountPath: /home/runner/_work
         - name: dind-sock
-          mountPath: /var/run
+          mountPath: /run/user/1001
         - name: dind-externals
           mountPath: /home/runner/externals
         - name: dind-etc
@@ -755,17 +759,21 @@ template:
       command: ["/home/runner/run.sh"]
       env:
         - name: DOCKER_HOST
-          value: unix:///var/run/docker.sock
+          value: unix:///run/user/1001/docker.sock
+      securityContext:
+        privileged: true
+        runAsUser: 1001
+        runAsGroup: 1001
       volumeMounts:
         - name: work
           mountPath: /home/runner/_work
         - name: dind-sock
-          mountPath: /var/run
+          mountPath: /run/user/1001
     - name: dind
       image: docker:dind-rootless
       args:
         - dockerd
-        - --host=unix:///var/run/docker.sock
+        - --host=unix:///run/user/1001/docker.sock
       securityContext:
         privileged: true
         runAsUser: 1001
@@ -774,7 +782,7 @@ template:
         - name: work
           mountPath: /home/runner/_work
         - name: dind-sock
-          mountPath: /var/run
+          mountPath: /run/user/1001
         - name: dind-externals
           mountPath: /home/runner/externals
         - name: dind-etc