Add version labels to most 'Manage data' topics (#545)

For the bulk of the 'Manage data' pages this adds the following labels:

```
applies_to:
  stack: ga
  serverless: ga
```

For the Cloud 'Migrating data' docs I've adjusted to the best of my
understanding.

I haven't touched the 'Ingest reference architectures' nor the
'Ingesting data from applications' sections because those might need to
be assessed on a case by case basis (I'm really not sure).

Note that these are the same labels that I see @florent-leborgne
applying in https://github.com/elastic/docs-content/pull/543/files so I
trust it's a really smart and correct thing to do. :-)

Author: kilfoyle

manage-data/data-store.md

@@ -1,6 +1,9 @@
 ---
 mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/elasticsearch-intro-what-is-es.html
+applies_to:
+  stack: ga
+  serverless: ga
 ---
 
 # The Elasticsearch data store

manage-data/data-store/aliases.md

@@ -1,6 +1,9 @@
 ---
 mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/aliases.html
+applies_to:
+  stack: ga
+  serverless: ga
 ---
 
 # Aliases [aliases]

manage-data/data-store/data-streams.md

@@ -3,11 +3,9 @@ mapped_urls:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/data-streams.html
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/index-mgmt.html#manage-data-streams
   - https://www.elastic.co/guide/en/serverless/current/index-management.html#index-management-manage-data-streams
-
-applies:
-  stack: all
-  serverless: all
-  hosted: all
+applies_to:
+  stack: ga
+  serverless: ga
 ---
 
 # Data streams [data-streams]

manage-data/data-store/data-streams/downsampling-time-series-data-stream.md

@@ -1,6 +1,9 @@
 ---
 mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/downsampling.html
+applies_to:
+  stack: ga
+  serverless: ga
 ---
 
 # Downsampling a time series data stream [downsampling]

manage-data/data-store/data-streams/logs-data-stream.md

@@ -1,6 +1,9 @@
 ---
 mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/logs-data-stream.html
+applies_to:
+  stack: ga
+  serverless: ga
 ---
 
 # Logs data stream [logs-data-stream]

manage-data/data-store/data-streams/manage-data-stream.md

@@ -1,3 +1,9 @@
+---
+applies_to:
+  stack: ga
+  serverless: ga
+---
+
 # Manage a data stream [index-management-manage-data-streams]
 
 Investigate your data streams and address lifecycle management needs in the **Data Streams** view.

manage-data/data-store/data-streams/modify-data-stream.md

@@ -1,6 +1,9 @@
 ---
 mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/modify-data-streams.html
+applies_to:
+  stack: ga
+  serverless: ga
 ---
 
 # Modify a data stream [modify-data-streams]

manage-data/data-store/data-streams/reindex-tsds.md

@@ -2,6 +2,9 @@
 navigation_title: "Reindex a TSDS"
 mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/tsds-reindex.html
+applies_to:
+  stack: ga
+  serverless: ga
 ---
 
 

manage-data/data-store/data-streams/run-downsampling-manually.md

@@ -2,6 +2,9 @@
 navigation_title: "Run downsampling manually"
 mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/downsampling-manual.html
+applies_to:
+  stack: ga
+  serverless: ga
 ---
 
 

manage-data/data-store/data-streams/run-downsampling-using-data-stream-lifecycle.md

@@ -2,6 +2,9 @@
 navigation_title: "Run downsampling using data stream lifecycle"
 mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/downsampling-dsl.html
+applies_to:
+  stack: ga
+  serverless: ga
 ---