Generate unique fleet name for autocreated fleets #5454

Job	Run time
compute-version	3s
build-docs / build-docs	3m 25s
build-artifacts / frontend-build	7s
build-artifacts / runner-test (ubuntu-latest)	56s
build-artifacts / runner-test (macos-latest)	1m 53s
build-artifacts / gateway-build	13s
build-artifacts / code-lint	53s
build-artifacts / generate-json-schema	20s
build-artifacts / python-build	26s
build-artifacts / python-test (macos-latest, 3.9)	2m 0s
build-artifacts / python-test (macos-latest, 3.12)	3m 7s
build-artifacts / python-test (ubuntu-latest, 3.10)	4m 10s
build-artifacts / python-test (macos-latest, 3.11)	2m 12s
build-artifacts / python-test (macos-latest, 3.10)	3m 2s
build-artifacts / python-test (macos-latest, 3.13)	2m 31s
build-artifacts / python-test (ubuntu-latest, 3.13)	3m 39s
build-artifacts / python-test (ubuntu-latest, 3.9)	4m 20s
build-artifacts / python-test (windows-latest, 3.9)	1m 46s
build-artifacts / python-test (windows-latest, 3.12)	1m 52s
build-artifacts / python-test (ubuntu-latest, 3.12)	3m 51s
build-artifacts / python-test (windows-latest, 3.13)	2m 8s
build-artifacts / python-test (windows-latest, 3.11)	1m 50s
build-artifacts / python-test (ubuntu-latest, 3.11)	3m 43s
build-artifacts / python-test (windows-latest, 3.10)	2m 16s
build-artifacts / runner-compile (ubuntu-24.04-arm, linux, arm64)	31s
build-artifacts / runner-compile (ubuntu-24.04, linux, amd64)	44s
upload-pre-pypi-artifacts / upload-pre-pypi-artifacts	22s
upload-post-pypi-artifacts / upload-post-pypi-artifacts	14s
	52m 34s

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