build(deps): bump alpine from 3.21.1 to 3.21.2 #3837

Job	Run time
tests (macos/go-1.22)	41s
build	15s
tests (ubuntu/go-1.22)	15s
tests (windows/go-1.22)	3m 37s
cross-compilation (GOOS=darwin, GOARCH=amd64)	44s
tests (macos/go-1.23)	24s
cross-compilation (GOOS=darwin, GOARCH=arm64)	43s
staticcheck	1m 4s
lint	12s
cross-compilation (GOOS=freebsd, GOARCH=amd64)	38s
tests (ubuntu/go-1.23)	1m 19s
cross-compilation (GOOS=freebsd, GOARCH=arm64)	37s
tests (windows/go-1.23)	2m 0s
cross-compilation (GOOS=linux, GOARCH=amd64)	28s
cross-compilation (GOOS=linux, GOARCH=arm64)	37s
cross-compilation (GOOS=openbsd, GOARCH=amd64)	42s
cross-compilation (GOOS=openbsd, GOARCH=arm64)	39s
cross-compilation (GOOS=windows, GOARCH=amd64)	42s
cross-compilation (GOOS=windows, GOARCH=arm64)	42s
cross-compilation (GOOS=darwin, GOARCH=amd64)	39s
cross-compilation (GOOS=darwin, GOARCH=arm64)	44s
cross-compilation (GOOS=freebsd, GOARCH=amd64)	38s
cross-compilation (GOOS=freebsd, GOARCH=arm64)	37s
cross-compilation (GOOS=linux, GOARCH=amd64)	28s
cross-compilation (GOOS=linux, GOARCH=arm64)	38s
cross-compilation (GOOS=openbsd, GOARCH=amd64)	37s
cross-compilation (GOOS=openbsd, GOARCH=arm64)	36s
cross-compilation (GOOS=windows, GOARCH=amd64)	37s
cross-compilation (GOOS=windows, GOARCH=arm64)	38s
test-python-example	25s
test-gsutil-example	33s
test-node-example	9s
test-go-example	44s
test-dotnet-example	17s
test-scala-example	33s
test-java-example	24s
test-cpp-example	2m 13s
test-curl-example	7s
test-curl-both-scheme-default-ports-example	10s
test-curl-both-scheme-non-default-ports-example	4s
unblock-pr	1s
	28m 11s

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