Prometheus: Support utf8 metrics and labels in scopes (grafana#99015)

* support utf8 in scopes

* separate the utf8 tests

* remove redundant test after enabling utf8 validation in prometheus

chore(deps): remove obsolete prometheus replace directive (grafana#96925

)

* chore(deps): remove obsolete prometheus replace directive

Signed-off-by: Dave Henderson <dave.henderson@grafana.com>

* chore: Replace newly-deprecated call

Signed-off-by: Dave Henderson <dave.henderson@grafana.com>

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Signed-off-by: Dave Henderson <dave.henderson@grafana.com>

update whats new url

release v11.3.2

release v11.2.5

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release v11.0.9

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release v11.2.4