feat(`provider`): instantiate recommended fillers by default #5722

Job	Run time
docs	1m 43s
clippy	1m 23s
check no_std	59s
doctest	2m 48s
feature-checks	4m 35s
fmt	13s
wasm-unknown	1m 32s
test ubuntu-latest stable --no-default-features	2m 24s
test ubuntu-latest stable	2m 6s
wasm-wasi	2m 55s
test ubuntu-latest stable --all-features	2m 38s
test ubuntu-latest nightly --no-default-features	2m 25s
test ubuntu-latest nightly	2m 34s
test ubuntu-latest nightly --all-features	2m 45s
test ubuntu-latest 1.81 --no-default-features	1m 30s
test ubuntu-latest 1.81	1m 19s
test windows-latest stable --no-default-features	7m 9s
test windows-latest stable	7m 30s
test windows-latest stable --all-features	7m 53s
test windows-latest nightly --no-default-features	5m 50s
test windows-latest nightly	5m 45s
test windows-latest nightly --all-features	5m 43s
test windows-latest 1.81 --no-default-features	3m 20s
test windows-latest 1.81	3m 24s
deny / cargo deny check	22s
ci success	2s
	1h 20m 47s

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