Update expected-lite to v0.9.0

* Update expected-lite to v0.9.0
  https://github.com/nonstd-lite/expected-lite/releases/tag/v0.9.0
* Add error messages for various RSS processing error
* Preserve CRLF endings for expected-lite
  So that we can verify the hash matches upstream easily.

PR qbittorrent#23440.
Closes qbittorrent#22950.

Author: Chocobo1

.gitattributes

@@ -8,3 +8,6 @@ core.eol=lf
 
 dist/windows/license.txt text eol=crlf
 test/testdata/crlf.txt text eol=crlf
+
+# disable line endings conversions
+src/base/3rdparty/expected.hpp -text

.pre-commit-config.yaml

@@ -39,6 +39,7 @@ repos:
       args: ["--fix=lf"]
       exclude: |
         (?x)^(
+          src/base/3rdparty/expected.hpp |
           src/webui/www/private/css/lib/.* |
           src/webui/www/private/scripts/lib/.* |
           dist/windows/license.txt |