test: Ignore googletagmanager links during doctests #1003

Job	Run time
test-code / test-fast (ubuntu)	1m 30s
test-code / test-fast (windows)	2m 58s
test-code / test-fast (macos)	1m 1s
test-code / test-general (ubuntu, 3.8)	8m 50s
test-code / test-general (ubuntu, 3.9)	8m 56s
test-code / test-general (ubuntu, 3.10)	8m 40s
test-code / test-general (ubuntu, 3.11)	7m 44s
test-code / test-general (ubuntu, 3.12)	8m 38s
test-code / test-general (ubuntu, 3.13.0-rc.2)	9m 33s
test-code / test-general (windows, 3.8)	12m 23s
test-code / test-general (windows, 3.9)	14m 10s
test-code / test-general (windows, 3.10)	12m 23s
test-code / test-general (windows, 3.11)	12m 24s
test-code / test-general (windows, 3.12)	15m 23s
test-code / test-general (windows, 3.13.0-rc.2)	14m 49s
test-code / test-general (macos, 3.8)	10m 0s
test-code / test-general (macos, 3.9)	7m 7s
test-code / test-general (macos, 3.10)	8m 5s
test-code / test-general (macos, 3.11)	6m 22s
test-code / test-general (macos, 3.12)	7m 27s
test-code / test-general (macos, 3.13.0-rc.2)	8m 19s
test-code / Test Results	8s
test-code / check-tests-passed	1s
	3h 6m 51s

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