bug(tabs): Change props name mat-tab

### Is this a regression?

- [x] Yes, this behavior used to work in the previous version

### The previous version in which this bug was not present was

19.2.17

### Description

Properties mat-tabs not migrated using ng update.

`--mat-tab-header-*` properties were not migrated removing "header".
`--mdc-tab-indicator` only changed `--mdc-tab-indicator-*` to `--mat-tab-*` but ` *-indicator*` was not removed

### Reproduction


### Expected Behavior


### Actual Behavior


### Environment

Angular CLI: 20.0.0
Node: 22.13.1
Package Manager: npm 10.9.2
OS: linux x64

Angular: 20.0.0
... animations, build, cli, common, compiler, compiler-cli, core
... forms, localize, platform-browser, platform-browser-dynamic
... router

Package Version
------------------------------------------------------------
@angular-devkit/architect 0.2000.0
@angular-devkit/core 20.0.0
@angular-devkit/schematics 20.0.0
@angular/cdk 20.0.1
@angular/material 20.0.1
@angular/material-moment-adapter 20.0.1
@schematics/angular 20.0.0
rxjs 7.8.2
typescript 5.8.3

Start by reproducing the migration with Angular Material 20 and `ng update`, focusing on the tab-related CSS custom properties described in the issue. Trace the Angular Material migration entry point and verify that the `mat-tab-header` and `mdc-tab-indicator` names are transformed to their expected replacements without leftover segments.

Written by the indexing model from the issue text.