gha: Adjust release branches

Adjust all workflows to also run on branches like `27.x`

Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
(cherry picked from commit 81b0bb58ba)
Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>

.github/workflows/codeql.yml

@@ -14,6 +14,7 @@ on:
     branches: 
       - 'master' 
       - '[0-9]+.[0-9]+' 
+      - '[0-9]+.x'
     tags: 
       - 'v*' 
   pull_request:

.github/workflows/e2e.yml

@@ -19,6 +19,7 @@ on:
     branches:
       - 'master'
       - '[0-9]+.[0-9]+'
+      - '[0-9]+.x'
     tags:
       - 'v*'
   pull_request:

.github/workflows/test.yml

@@ -19,6 +19,7 @@ on:
     branches:
       - 'master'
       - '[0-9]+.[0-9]+'
+      - '[0-9]+.x'
     tags:
       - 'v*'
   pull_request:

.github/workflows/validate.yml

@@ -19,6 +19,7 @@ on:
     branches:
       - 'master'
       - '[0-9]+.[0-9]+'
+      - '[0-9]+.x'
     tags:
       - 'v*'
   pull_request: