feat(`provider`): instantiate recommended fillers by default #5723

Job	Run time
check no_std	1m 2s
docs	2m 2s
doctest	1m 17s
clippy	1m 48s
feature-checks	3m 19s
fmt	12s
wasm-unknown	56s
test ubuntu-latest stable --no-default-features	1m 21s
wasm-wasi	1m 51s
test ubuntu-latest stable	1m 26s
test ubuntu-latest stable --all-features	2m 18s
test ubuntu-latest nightly --no-default-features	2m 40s
test ubuntu-latest nightly	2m 36s
test ubuntu-latest nightly --all-features	3m 4s
test ubuntu-latest 1.81 --no-default-features	1m 57s
test ubuntu-latest 1.81	2m 7s
test windows-latest stable --no-default-features	5m 47s
test windows-latest stable	3m 27s
test windows-latest stable --all-features	7m 29s
test windows-latest nightly --no-default-features	8m 55s
test windows-latest nightly	8m 20s
test windows-latest nightly --all-features	8m 28s
test windows-latest 1.81 --no-default-features	1m 55s
test windows-latest 1.81	1m 52s
deny / cargo deny check	19s
ci success	2s
	1h 16m 30s

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