feat(material/tabs): add alignTabs in MatTabsConfig

[naaajii]

users can align tabs label via config now rather than adding mat-tab-align property on each tab group

fixes #29685

[crisbeto]

While this is the correct type, it looks like we'll have to set it to string | null since it breaks some cases internally.

[naaajii]

I updated it but internal cases CI is still pending not sure if recent push triggered it or not.

also this is wrong place to ask but when I run yarn after fork it keeps failing with:

[3/5] Fetching packages...
error Couldn't find match for "36946be4df61f6549ae3829c026022e47674eae2" in "refs/heads/main" for "https://github.com/angular/dev-infra-private-ng-dev-builds.git".
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
my-pc@mypc-Latitude-3310:~/Development/angular-projects/open-source/components$ 

I tried to manually install the package in a clean folder with only @angular/ng-dev package but it still failed I have a global setting for specific NPM packages but they only work with npm (not sure if they will collide with yarn) & also this is something that came up recently, I was able to install packages before IIRC.

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