Rename BWC intake job so that old job is removed

Author: mark-vieira

.ci/jobs.t/elastic+elasticsearch+intake+multijob+bwc.yml renamed to .ci/jobs.t/elastic+elasticsearch+intake+multijob+bwc-snapshots.yml

@@ -1,7 +1,7 @@
 ---
 jjbb-template: matrix-gradle-unix.yml
 vars:
-  - job-name: elastic+elasticsearch+%BRANCH%+intake+multijob+bwc
+  - job-name: elastic+elasticsearch+%BRANCH%+intake+multijob+bwc-snapshots
   - job-display-name: "elastic / elasticsearch # %BRANCH% - intake bwc"
   - job-description: Elasticsearch %BRANCH% branch intake backwards compatibility checks.
   - matrix-yaml-file: ".ci/snapshotBwcVersions"

.ci/jobs.t/elastic+elasticsearch+intake.yml

@@ -42,7 +42,7 @@
               kill-phase-on: NEVER
               current-parameters: true
               git-revision: true
-            - name: elastic+elasticsearch+%BRANCH%+intake+multijob+bwc
+            - name: elastic+elasticsearch+%BRANCH%+intake+multijob+bwc-snapshots
               kill-phase-on: NEVER
               current-parameters: true
               git-revision: true