[v10.2.x] Chore: Remove grafana-delivery references (#82536)

Chore: Remove `grafana-delivery` references (#82505)

* s/grafana-delivery/grafana-release-guild/g

* Remove -squad suffix

(cherry picked from commit a6bc262093)

.github/workflows/create-security-patch-from-security-mirror.yml

@@ -1,5 +1,5 @@
-# Owned by grafana-delivery-squad
-# Intended to be dropped into the base repo (Ex: grafana/grafana) for use in the security mirror. 
+# Owned by grafana-release-guild
+# Intended to be dropped into the base repo (Ex: grafana/grafana) for use in the security mirror.
 name: Create security patch
 run-name: create-security-patch
 on:
@@ -17,7 +17,7 @@ jobs:
   trigger_downstream_create_security_patch:
     concurrency: create-patch-${{ github.ref_name }}
     uses: grafana/security-patch-actions/.github/workflows/create-patch.yml@main
-    if: github.repository == 'grafana/grafana-security-mirror' 
+    if: github.repository == 'grafana/grafana-security-mirror'
     with:
       repo: "${{ github.repository }}"
       src_ref: "${{ github.head_ref }}" # this is the source branch name, Ex: "feature/newthing"