Remove v7 from GitHub Actions and Dependabot (#3460)

- v7 is no longer in support, so let's know waste resources on it

Author: moleske

.github/workflows/golangci-lint.yml

@@ -5,7 +5,6 @@ on:
     tags:
       - "v9.*"
       - "v8.*"
-      - "v7.*"
   pull_request:
     types:
       - opened
@@ -15,7 +14,6 @@ on:
       - main
       - v9
       - v8
-      - v7
     paths-ignore:
       - "doc/**"
       - ".gitpod.yml"

.github/workflows/tests-integration.yml

@@ -56,12 +56,10 @@ on:
   push:
     tags:
       - "v8.*"
-      - "v7.*"
   pull_request_target:
     branches:
       - main
       - v8
-      - v7
     paths-ignore:
       - "doc/**"
       - ".gitpod.yml"

.github/workflows/tests-unit.yml

@@ -13,13 +13,11 @@ on:
     tags:
       - "v9.*"
       - "v8.*"
-      - "v7.*"
   pull_request:
     branches:
       - main
       - v9
       - v8
-      - v7
     paths-ignore:
       - "doc/**"
       - ".gitpod.yml"

.github/workflows/util-code-quality.yml

@@ -6,7 +6,6 @@ on:
     branches:
       - main
       - v8
-      - v7
   schedule:
     - cron: '45 5 * * *'