[release-11.2.7] CI: Post-release process branch / PR migration (#100934)

* CI: Backport to release branches (#100067)

* update backport and release comms

* Backport to release branches and change docs source branch for publishing

* Add new workflows to CODEOWNERS

* Re-add removed line oops

* backport-testing -> grafana

* checkout grafana repo in backport action, reference repo / branch in reusable action

* generate -> create

(cherry picked from commit 6787cdccb9)

* CI: Post-release process branch / PR migration (#100930)

* update output for token in release-comms

* use token from needs

* generate token in individual workflows

* Set secrets

* define secrest in referenced workflows

* wrong secret lol

* oops

* grafana/grafana -> grafana/grafana-enterprise

(cherry picked from commit 75189de4f7)

* release-v -> release-

.github/workflows/publish-technical-documentation-release.yml

@@ -3,7 +3,7 @@ name: publish-technical-documentation-release
 on:
   push:
     branches:
-      - v[0-9]+.[0-9]+.x
+      - release-[0-9]+.[0-9]+.[0-9]+
     tags:
       - v[0-9]+.[0-9]+.[0-9]+
     paths:
@@ -23,7 +23,7 @@ jobs:
       - uses: grafana/writers-toolkit/publish-technical-documentation-release@publish-technical-documentation-release/v2
         with:
           release_tag_regexp: "^v(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)$"
-          release_branch_regexp: "^v(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.x$"
-          release_branch_with_patch_regexp: "^v(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)$"
+          release_branch_regexp: "^release-(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)$"
+          release_branch_with_patch_regexp: "^release-(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)$"
           website_directory: content/docs/grafana
           version_suffix: ""