[PR #8190/13d0310e backport][stable-8] CI: ansible-core devel removed Python 3.7 support, no longer allows 'vars:' with lists (#8191)

CI: ansible-core devel removed Python 3.7 support, no longer allows 'vars:' with lists (#8190)

* Ansible-core devel removed Python 3.7 support.

* Do not use 'vars' with lists.

(cherry picked from commit 13d0310e91)

Co-authored-by: Felix Fontein <felix@fontein.de>

.azure-pipelines/azure-pipelines.yml

@@ -122,7 +122,6 @@ stages:
           nameFormat: Python {0}
           testFormat: devel/units/{0}/1
           targets:
-            - test: 3.7
             - test: 3.8
             - test: 3.9
             - test: '3.10'

tests/integration/targets/lookup_lmdb_kv/test.yml

@@ -19,13 +19,13 @@
       - item.0 == 'nl'
       - item.1 == 'Netherlands'
     vars:
-    - lmdb_kv_db: jp.mdb
+      lmdb_kv_db: jp.mdb
     with_community.general.lmdb_kv:
     - n*
   - assert:
       that:
       - item == 'Belgium'
     vars:
-    - lmdb_kv_db: jp.mdb
+      lmdb_kv_db: jp.mdb
     with_community.general.lmdb_kv:
     - be