UI: rename sequencer "Select" to "Tweak"

This matches the tweak tool elsewhere.

Match names since this name is shown prominently
in the fall back tool selector.

release/scripts/presets/keyconfig/keymap_data/blender_default.py

@@ -7446,7 +7446,7 @@ def km_3d_view_tool_sculpt_gpencil_select_lasso(params):
 
 def km_sequencer_editor_tool_select(params, *, fallback):
     return (
-        _fallback_id("Sequencer Tool: Select", fallback),
+        _fallback_id("Sequencer Tool: Tweak", fallback),
         {"space_type": 'SEQUENCE_EDITOR', "region_type": 'WINDOW'},
         {"items": [
             # TODO: Use 2D cursor for preview region (currently `sequencer.sample`).

release/scripts/startup/bl_ui/space_toolsystem_toolbar.py

@@ -2508,10 +2508,10 @@ class _defs_sequencer_select:
     def select():
         return dict(
             idname="builtin.select",
-            label="Select",
+            label="Tweak",
             icon="ops.generic.select",
             widget=None,
-            keymap="Sequencer Tool: Select",
+            keymap="Sequencer Tool: Tweak",
         )
 
     @ToolDef.from_fn