Issue #3297233: Update core_version_requirement for Drupal 10 compatibility

fillpdf.info.yml

 name: 'FillPDF'
 type: module
 description: 'Allows users to populate PDF forms from website data.'
-core_version_requirement: ^8.8 || ^9
+core_version_requirement: ^9.4 || ^10
 package: Other
 configure: fillpdf.settings
 dependencies:

tests/modules/fillpdf_test/fillpdf_test.info.yml

 name: FillPDF Testing
 type: module
 description: Fixtures/support for FillPDF tests.
-core_version_requirement: ^8.8 || ^9
+core_version_requirement: ^9.4 || ^10
 package: Testing
 dependencies:
   - fillpdf:fillpdf

tests/modules/fillpdf_webform_test/fillpdf_webform_test.info.yml

 name: FillPDF webform Testing
 type: module
 description: Fixtures/support for FillPDF webform tests.
-core_version_requirement: ^8.8 || ^9
+core_version_requirement: ^9.4 || ^10
 package: Testing
 dependencies:
   - fillpdf:fillpdf_test