world_map.gpkg: little fix to avoid warning with recent GDAL versions

Recent GDAL versions emit in the console a non critical warning when opening
world_map.gpkg at QGIS startup:
"Warning 1: Non-conformant content for record 1 in column update_time, 2019-08-15T21:28:22Z, successfully parsed"

The reason is that values in the update_time column in the layer_styles
column lack milliseconds information.

```
$ sqlite3 ../resources/data/world_map.gpkg "select update_time from layer_styles"
2019-08-15T21:28:22Z
2019-08-15T21:29:54Z
2019-08-15T21:30:31Z
2019-08-22T08:16:25Z
```

Fixed with:
```
$ sqlite3 ../resources/data/world_map.gpkg "update layer_styles set update_time = substr(update_time,0,length(update_time)) || '.000Z'"

$ sqlite3 ../resources/data/world_map.gpkg "select update_time from layer_styles"
2019-08-15T21:28:22.000Z
2019-08-15T21:29:54.000Z
2019-08-15T21:30:31.000Z
2019-08-22T08:16:25.000Z
```
This commit is contained in:
Even Rouault 2022-09-23 17:32:01 +02:00 committed by Nyall Dawson
parent dba95821f2
commit 939da08506

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