[8.7](backport #2250) automation: remove bump snapshots

.github/workflows/bump-golang.yml

@@ -1,5 +1,5 @@
 ---
-name: Bump golang version
+name: bump-golang
 
 on:
   workflow_dispatch:

.github/workflows/opentelemetry.yml

@@ -4,6 +4,7 @@ name: OpenTelemetry Export Trace
 on:
   workflow_run:
     workflows:
+      - bump-golang
       - golangci-lint
       - Elastic Agent workflow using Snyk
       - macos

.mergify.yml

@@ -54,37 +54,6 @@ pull_request_rules:
         message: |
           This pull request has been automatically closed by Mergify.
           There are some other up-to-date pull requests.
-  - name: automatic approval for automated pull requests with bump updates
-    conditions:
-      - author=apmmachine
-      - check-success=fleet-ci/pr-merge
-      - label=automation
-      - files~=^testing/environments/snapshot.*\.yml$
-    actions:
-      review:
-        type: APPROVE
-        message: Automatically approving mergify
-  - name: automatic squash and merge with success checks and the files matching the regex ^testing/environments/snapshot* are modified.
-    conditions:
-      - check-success=fleet-ci/pr-merge
-      - label=automation
-      - files~=^testing/environments/snapshot.*\.yml$
-      - "#approved-reviews-by>=1"
-    actions:
-      queue:
-        method: squash
-        name: default
-  - name: delete upstream branch after merging changes on testing/environments/snapshot* or it's closed
-    conditions:
-      - or:
-        - merged
-        - closed
-      - and:
-        - label=automation
-        - head~=^update-stack-version
-        - files~=^testing/environments/snapshot.*\.yml$
-    actions:
-      delete_head_branch:
   - name: delete upstream branch after merging changes on .go-version or it's closed
     conditions:
       - or: