SQLite: Update identified license

SPDX nowadays has a dedicated license identifier for SQLite. Let's use
this.

[ChangeLog][Third-Party Code] Change identified license for SQLite from
'Public Domain' to more accurate 'SQLite Blessing':
https://spdx.org/licenses/blessing.html

Pick-to: 5.15 6.2 6.5 6.7
Change-Id: I6c3378c45bc5edf498673c1b060f8e8c14d96a62
Reviewed-by: Christian Ehrlicher <ch.ehrlicher@gmx.de>

LICENSES/blessing.txt

@@ -0,0 +1,5 @@
+The author disclaims copyright to this source code. In place of a legal notice, here is a blessing:
+
+May you do good and not evil.
+May you find forgiveness for yourself and forgive others.
+May you share freely, never taking more than you give.

src/3rdparty/sqlite/qt_attribution.json

@@ -9,7 +9,7 @@
     "Homepage": "https://www.sqlite.org/",
     "Version": "3.45.3",
     "DownloadLocation": "https://www.sqlite.org/2024/sqlite-amalgamation-3450300.zip",
-    "License": "Public Domain",
-    "LicenseId": "CC0-1.0",
+    "License": "SQLite Blessing",
+    "LicenseId": "blessing",
     "Copyright": "The authors disclaim copyright to the source code. However, a license can be obtained if needed."
 }