[release/0.34][bump] package version for client from 0.34.1 to 0.34.2

[ksbrar]

Bump repo's client patch version from 0.34.1 to 0.34.2.

Context: the purpose of releasing the 0.34.1 patch, now out in the wild, was this fix: #5063.

        @fluidframework/build-common:     0.20.1 (unchanged)
 @fluidframework/eslint-config-fluid:     0.22.2 (unchanged)
  @fluidframework/common-definitions:     0.20.0 (unchanged)
        @fluidframework/common-utils:     0.28.0 (unchanged)
                              Server:   0.1019.1 (unchanged)
                              Client:     0.34.1 -> 0.34.2
                     generator-fluid:      0.3.0 (unchanged)
                         tinylicious:      0.4.0 (unchanged)
                         dice-roller:      0.0.1 (unchanged)

[msfluid-bot]

Could not find a usable baseline build with search starting at CI 22bed61

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