fix: remove redhat 7 from canaries #7952

Job	Run time
harvest-test-linux / Linux harvest tests (ubuntu-20.04)	1m 12s
harvest-test-linux / Linux harvest tests (ubuntu-20.04)	1m 12s
linter-macos / Lint tests	1m 12s
linter-macos / Lint tests	1m 12s
unit-test-linux / Unit tests for databind	31s
unit-test-linux / Unit tests for databind	31s
unit-test-linux / Unit tests	4m 41s
unit-test-linux / Unit tests	4m 41s
unit-test-macos / unit tests	4m 41s
unit-test-macos / unit tests	4m 41s
build-container / Building containerized agent	7m 7s
build-container / Building containerized agent	7m 7s
harvest-test-macos / MacOS harvest tests (macos-12)	1m 10s
harvest-test-macos / MacOS harvest tests (macos-12)	1m 10s
harvest-test-macos / MacOS harvest tests (macos-13)	3m 20s
harvest-test-macos / MacOS harvest tests (macos-13)	3m 20s
linter-linux / Run Linter	1m 38s
linter-linux / Run Linter	1m 38s
harvest-test-macos / MacOS harvest tests (macos-14)	1m 21s
harvest-test-macos / MacOS harvest tests (macos-14)	1m 21s
linter-linux / Validate code	30s
linter-linux / Validate code	30s
linter-windows / Lint tests	3m 58s
linter-windows / Lint tests	3m 58s
proxy-tests-linux / Proxy tests	2m 54s
proxy-tests-linux / Proxy tests	2m 54s
test-build / Test binary compilation for all (linux) platforms:arch	5m 24s
test-build / Test binary compilation for all (linux) platforms:arch	5m 24s
unit-test-windows / Windows unit tests	9m 24s
unit-test-windows / Windows unit tests	4m 1s
unit-test-linux / Coveralls finish	2s
unit-test-linux / Coveralls finish	2s
	1h 32m 47s

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