fix(deps): update dependency @edx/frontend-component-cookie-policy-banner to v2.6.0 #29497

Job	Run time
lms-1(py=3.11,dj=pinned,mongo=7.0)	9m 47s
collect-and-verify	4m 25s
lms-2(py=3.11,dj=pinned,mongo=7.0)	12m 26s
lms-3(py=3.11,dj=pinned,mongo=7.0)	15m 18s
lms-4(py=3.11,dj=pinned,mongo=7.0)	21m 58s
lms-5(py=3.11,dj=pinned,mongo=7.0)	11m 10s
lms-6(py=3.11,dj=pinned,mongo=7.0)	15m 54s
openedx-1-with-lms(py=3.11,dj=pinned,mongo=7.0)	11m 22s
openedx-2-with-lms(py=3.11,dj=pinned,mongo=7.0)	14m 26s
openedx-1-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 7s
openedx-2-with-cms(py=3.11,dj=pinned,mongo=7.0)	6m 48s
cms-1(py=3.11,dj=pinned,mongo=7.0)	5m 26s
cms-2(py=3.11,dj=pinned,mongo=7.0)	12m 56s
common-with-lms(py=3.11,dj=pinned,mongo=7.0)	9m 33s
common-with-cms(py=3.11,dj=pinned,mongo=7.0)	5m 46s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	8m 52s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	9m 0s
Unit tests successful	4s
coverage (3.11)	1m 44s
compile-warnings-report	11s
merge-artifacts	7s
	3h 5m 20s

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