Feature flag provider: update dependency v1.1.2

[Copilot]

• Locate azappconfig provider module files and confirm current dependency version
• Check out a new branch from release/v1.1.2
• Run existing build/tests in relevant modules to capture baseline status before changes
• Update featuremanagement/providers/azappconfig/go.mod dependency to v1.1.2
• Run go mod tidy in featuremanagement/providers/azappconfig and verify go.sum updates
• Run targeted tests/build for changed module to validate behavior
• Run final validation checks and report completion

Original prompt

Please create a PR to update the feature flag provider dependency. Checkout a new branch from release/v1.1.2 (e.g. update-provider-dep/v1.1.2). In featuremanagement/providers/azappconfig/go.mod, update the featuremanagement dependency version: change 'require github.com/microsoft/Featuremanagement-Go/featuremanagement v1.1.1' to 'require github.com/microsoft/Featuremanagement-Go/featuremanagement v1.1.2'. Then run 'cd featuremanagement/providers/azappconfig && go mod tidy' to update go.sum. Open a PR targeting the release/v1.1.2 branch with title 'Feature flag provider: update dependency v1.1.2'.