Upgrade webmozart/assert dependency to version 2.1 #33191

Job	Run time
End to end test - e2e/invalid-paths	20s
End to end test - e2e/no-parallel-reflection-resolver	19s
End to end test - e2e/different-path-over-skip-config	17s
End to end test - e2e/applied-rule-change-docblock	16s
End to end test - e2e/only-option	25s
End to end test - e2e/parallel-custom-config	19s
End to end test - e2e/applied-rule-return-array-nodes	20s
End to end test - e2e/applied-rule-removed-node	15s
End to end test - e2e/parallel-reflection-resolver	20s
End to end test - e2e/only-option-quote-double-equalnone	16s
End to end test - e2e/only-option-quote-single	22s
End to end test - e2e/only-option-quote-single-bsdouble	19s
End to end test - e2e/applied-auto-import	29s
End to end test - e2e/applied-polyfill-php80	43s
End to end test - e2e/print-new-node	24s
End to end test - e2e/parallel with space	22s
End to end test - e2e/only-option-quote-single-equalnone	20s
	6m 6s

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