feat(lts/sql_alarm_rule): add new parameters and use 'notification_save_rule' instead of 'notification_rule'

[wuzhuanhong]

What this PR does / why we need it:

1. Use notification_save_rule instead of notification_rule parameter and send_notifications paramter supports modification.
2. Add new parameters.

• new paramster: alarm_action_rule_name, alarm_rule_alias, notification_frequency, sql_requests.log_group_name, sql_requests.log_stream_name.
• The send_notifications parameter supports modify.

Which issue this PR fixes:
(optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged)
fixes #xxx

Special notes for your reviewer:

Release note:

add new parameters and use 'notification_save_rule' instead of 'notification_rule'.

PR Checklist

• Tests added/passed.

make testacc TEST='./huaweicloud' TESTARGS='-run=TestAccSomethingV0_basic'
...
./scripts/coverage.sh -o lts -f TestAccSQLAlarmRule_basic
Prepare to calculate the coverage the following command:
TF_ACC=1 go test "./huaweicloud/services/acceptance/lts" -v -coverprofile="./huaweicloud/services/acceptance/lts/lts_coverage.cov" -coverpkg="./huaweicloud/services/lts" -run TestAccSQLAlarmRule_basic -timeout 360m -parallel 10
=== RUN   TestAccSQLAlarmRule_basic
=== PAUSE TestAccSQLAlarmRule_basic
=== CONT  TestAccSQLAlarmRule_basic
--- PASS: TestAccSQLAlarmRule_basic (62.75s)
PASS
coverage: 12.8% of statements in ./huaweicloud/services/lts
ok      github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/services/acceptance/lts       62.876s coverage: 12.8% of statements in ./huaweicloud/services/lts

./scripts/coverage.sh -o lts -f TestAccKeywordsAlarmRule_
Prepare to calculate the coverage the following command:
TF_ACC=1 go test "./huaweicloud/services/acceptance/lts" -v -coverprofile="./huaweicloud/services/acceptance/lts/lts_coverage.cov" -coverpkg="./huaweicloud/services/lts" -run TestAccKeywordsAlarmRule_ -timeout 360m -parallel 10
=== RUN   TestAccKeywordsAlarmRule_basic
=== PAUSE TestAccKeywordsAlarmRule_basic
=== CONT  TestAccKeywordsAlarmRule_basic
--- PASS: TestAccKeywordsAlarmRule_basic (75.84s)
PASS
coverage: 13.0% of statements in ./huaweicloud/services/lts
ok      github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/services/acceptance/lts       76.005s coverage: 13.0% of statements in ./huaweicloud/services/lts

• Documentation updated.

• Schema updated.

• CheckDeleted.

  • a. During query operation (Read Context)
    aa. Resource not found
    

  • b. During delete/disassociate/unbind operation (Delete Context)
    ba. Resource not found
    >>>>>> Paste the screenshot here <<<<<<