fix(deps): update flyway/flyway docker tag to v10.21 #689

Job	Run time
extract-version	11s
test-migrations-postgres (14)	16s
test-migrations-postgres (15)	19s
test-migrations-sqlite	9s
test-migrations-postgres (16)	16s
validate-renovate-config / validate	21s
check-commits / check	14s
lint (3.11) / lint	24s
lint (3.12) / lint	27s
test (3.11) / test	21s
lint (3.13) / lint	25s
test (3.12) / test	20s
test (3.13) / test	21s
test (3.11) / upload-coverage-report	7s
test (3.13) / upload-coverage-report	0s
test (3.12) / upload-coverage-report	0s
publish-package	0s
build-migrations-container-image (postgres, arm64) / determine-image-name	3s
build-migrations-container-image (postgres, amd64) / determine-image-name	4s
build-migrations-container-image (sqlite, amd64) / determine-image-name	1m 57s
build-migrations-container-image (sqlite, arm64) / determine-image-name	2s
build-migrations-container-image (postgres, arm64) / build	15s
build-migrations-container-image (sqlite, arm64) / build	13s
build-migrations-container-image (postgres, amd64) / build	15s
build-migrations-container-image (postgres, amd64) / upload-artifact-digest	0s
build-migrations-container-image (postgres, arm64) / upload-artifact-digest	0s
build-migrations-container-image (sqlite, arm64) / upload-artifact-digest	0s
build-migrations-container-image (sqlite, amd64) / build	14s
build-migrations-container-image (sqlite, amd64) / upload-artifact-digest	0s
merge-migrations-container-image	0s
	7m 14s

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