build: update cross-repo angular dependencies to v20.2.0-rc.0

[angular-robot]

This PR contains the following updates:

Package	Type	Update	Change
@angular/build	dependencies	patch	20.2.0-next.3 -> 20.2.0-rc.0
@angular/cli	devDependencies	patch	20.2.0-next.3 -> 20.2.0-rc.0

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Release Notes

angular/angular-cli (@​angular/build)

v20.2.0-rc.0

Compare Source

@​angular/cli

Commit	Type	Description
b4de9a1bf	feat	add --experimental-tool option to mcp command
755ba70fd	feat	add --local-only option to mcp command
59d7ef343	feat	add --read-only option to mcp command
4e92eb6f1	feat	add modernize tool to the MCP server

@​schematics/angular

Commit	Type	Description
2e3cfd598	feat	add migration to remove default Karma configurations
d80dae276	feat	add schematics to generate ai context files.
6a78ef0ce	fix	add extra prettier config
e46d9c54f	fix	correct configure the typeSeparator in the library schematic
b017f84fd	fix	improve coverage directory handling for Karma configuration comparisons

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Configuration

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