fix(deps): update module github.com/thomaspoignant/go-feature-flag to v1.21.0 (#424)

Author: renovate[bot]

providers/go-feature-flag/go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/bluele/gcache v0.0.2
 	github.com/open-feature/go-sdk v1.9.0
 	github.com/stretchr/testify v1.8.4
-	github.com/thomaspoignant/go-feature-flag v1.18.2
+	github.com/thomaspoignant/go-feature-flag v1.21.0
 )
 
 require (

providers/go-feature-flag/go.sum

@@ -96,6 +96,8 @@ github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcU
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/thomaspoignant/go-feature-flag v1.18.2 h1:EmU4Ja+xfVoHuTBlZmP6YzwTgmiuwHeCS8/GNymFkHI=
 github.com/thomaspoignant/go-feature-flag v1.18.2/go.mod h1:ePtHa9auiio7QHlWKUE8ggsgUtF9MvzLDKnIK6009sM=
+github.com/thomaspoignant/go-feature-flag v1.21.0 h1:r+D2oiS+nxxCFhaEX+dMK4nNj7e2lpZTT7rvlZ95Kl8=
+github.com/thomaspoignant/go-feature-flag v1.21.0/go.mod h1:lG+lAUiWuXsR5Rga6L5Bihlz2qyr/TTEr2Siljjwnec=
 github.com/xitongsys/parquet-go v1.6.2 h1:MhCaXii4eqceKPu9BwrjLqyK10oX9WF+xGhwvwbw7xM=
 github.com/xitongsys/parquet-go v1.6.2/go.mod h1:IulAQyalCm0rPiZVNnCgm/PCL64X2tdSVGMQ/UeKqWA=
 github.com/xitongsys/parquet-go-source v0.0.0-20230830030807-0dd610dbff1d h1:VVWj8KWdzpebBaXpTVpOaQW32y2UCWy3JXJ5lVDa/e8=