build(deps): bump jinja2 from 3.1.4 to 3.1.5 in /docs #1869

Job	Run time
coverage-test	6m 10s
build-test (ubuntu-20.04, gcc)	5m 58s
build-test (ubuntu-20.04, clang)	4m 57s
master-tss-build-test (gcc)	17m 36s
build-test (fedora-30, gcc)	5m 54s
master-tss-build-test (clang)	5m 7s
build-test (fedora-30, clang)	5m 19s
build-test (opensuse-leap, gcc)	5m 57s
coverity-test	0s
build-test (opensuse-leap, clang)	5m 13s
build-test (fedora-32, gcc)	5m 48s
build-test (fedora-32, clang)	5m 8s
build-test (ubuntu-22.04, gcc)	10m 42s
build-test (ubuntu-22.04, clang)	10m 6s
	1h 33m 55s

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