Merge bitcoin#26249: ci: Workaround Windows filesystem executable bit loss

b8d361a ci: Workaround Windows filesystem executable bit loss (Hennadii Stepanov)

Pull request description:

  Fixes https://cirrus-ci.com/task/5946581265416192:
  ```
  From https://github.com/bitcoin/bitcoin
   * branch                refs/pull/26103/merge -> FETCH_HEAD
  error: Your local changes to the following files would be overwritten by checkout:
  ci/lint/04_install.sh
  ci/lint/06_script.sh
  contrib/devtools/gen-manpages.py
  contrib/devtools/symbol-check.py
  contrib/signet/getcoins.py
  contrib/signet/miner
  test/functional/feature_proxy.py
  test/functional/feature_taproot.py
  test/functional/interface_rest.py
  test/functional/mining_prioritisetransaction.py
  test/functional/rpc_blockchain.py
  test/functional/rpc_fundrawtransaction.py
  test/functional/rpc_help.py
  test/functional/rpc_rawtransaction.py
  test/functional/test_framework/test_framework.py
  test/functional/test_runner.py
  test/functional/wallet_basic.py
  test/functional/wallet_bumpfee.py
  test/functional/wallet_hd.py
  test/functional/wallet_importmulti.py
  test/functional/wallet_listdescriptors.py
  test/functional/wallet_multiwallet.py
  test/functional/wallet_resendwallettransactions.py
  test/functional/wallet_sendall.py
  test/lint/lint-locale-dependence.py
  Please commit your changes or stash them before you switch branches.
  Aborting
  ```

Top commit has no ACKs.

Tree-SHA512: 2b33d882a515bb17c7c2ae8cfe73541483cdc15e736909afaf42befc8f648dba5dc83ff58ebd6d38a5650a8eca01907ae6c61537927ac9718bd9582d8501647d

Author: MacroFake

.cirrus.yml

@@ -114,7 +114,7 @@ task:
     QT_CONFIGURE_COMMAND: '..\configure -release -silent -opensource -confirm-license -opengl desktop -static -static-runtime -mp -qt-zlib -qt-pcre -qt-libpng -nomake examples -nomake tests -nomake tools -no-angle -no-dbus -no-gif -no-gtk -no-ico -no-icu -no-libjpeg -no-libudev -no-sql-sqlite -no-sql-odbc -no-sqlite -no-vulkan -skip qt3d -skip qtactiveqt -skip qtandroidextras -skip qtcharts -skip qtconnectivity -skip qtdatavis3d -skip qtdeclarative -skip doc -skip qtdoc -skip qtgamepad -skip qtgraphicaleffects -skip qtimageformats -skip qtlocation -skip qtlottie -skip qtmacextras -skip qtmultimedia -skip qtnetworkauth -skip qtpurchasing -skip qtquick3d -skip qtquickcontrols -skip qtquickcontrols2 -skip qtquicktimeline -skip qtremoteobjects -skip qtscript -skip qtscxml -skip qtsensors -skip qtserialbus -skip qtserialport -skip qtspeech -skip qtsvg -skip qtvirtualkeyboard -skip qtwayland -skip qtwebchannel -skip qtwebengine -skip qtwebglplugin -skip qtwebsockets -skip qtwebview -skip qtx11extras -skip qtxmlpatterns -no-openssl -no-feature-bearermanagement -no-feature-printdialog -no-feature-printer -no-feature-printpreviewdialog -no-feature-printpreviewwidget -no-feature-sql -no-feature-sqlmodel -no-feature-textbrowser -no-feature-textmarkdownwriter -no-feature-textodfwriter -no-feature-xml'
     IgnoreWarnIntDirInTempDetected: 'true'
   merge_script:
-    - PowerShell -NoLogo -Command if ($env:CIRRUS_PR -ne $null) { git fetch $env:CIRRUS_REPO_CLONE_URL pull/$env:CIRRUS_PR/merge; git checkout FETCH_HEAD; }
+    - PowerShell -NoLogo -Command if ($env:CIRRUS_PR -ne $null) { git fetch $env:CIRRUS_REPO_CLONE_URL pull/$env:CIRRUS_PR/merge; git reset --hard FETCH_HEAD; }
   msvc_qt_built_cache:
     folder: "%QTBASEDIR%"
     reupload_on_changes: false