Skip PKCS7 with indefinite length test in AWS-LC #1418

Job	Run time
openssl-1.1.1w	46s
openssl-3.0.15	47s
openssl-3.1.7	46s
openssl-3.2.3	46s
openssl-3.3.2	52s
openssl-3.4.0	48s
openssl-master	3m 49s
libressl-3.9.2	47s
libressl-4.0.0	48s
aws-lc-latest	2m 50s
openssl-3.0.15 with fips provider	39s
openssl-3.1.7 with fips provider	35s
openssl-3.2.3 with fips provider	36s
openssl-3.3.2 with fips provider	39s
openssl-3.4.0 with fips provider	43s
openssl-master with fips provider	3m 39s
openssl-3.4.0 without legacy provider	48s
ruby-versions / Generate Ruby versions	3s
ubuntu-22.04 2.7	57s
ubuntu-22.04 3.0	49s
ubuntu-22.04 3.1	49s
ubuntu-22.04 3.2	48s
ubuntu-22.04 3.3	46s
ubuntu-22.04 3.4	46s
ubuntu-22.04 head	48s
ubuntu-22.04 truffleruby	1m 28s
ubuntu-22.04 truffleruby-head	1m 41s
ubuntu-20.04 2.7	52s
ubuntu-20.04 3.0	44s
ubuntu-20.04 3.1	45s
ubuntu-20.04 3.2	48s
ubuntu-20.04 3.3	45s
ubuntu-20.04 3.4	45s
ubuntu-20.04 head	45s
ubuntu-20.04 truffleruby	1m 28s
ubuntu-20.04 truffleruby-head	1m 40s
macos-latest 2.7	49s
macos-latest 3.0	33s
macos-latest 3.1	43s
macos-latest 3.2	30s
macos-latest 3.3	32s
macos-latest 3.4	40s
macos-latest head	34s
macos-latest truffleruby	1m 10s
macos-latest truffleruby-head	59s
windows-latest 2.7	5m 5s
windows-latest 3.0	3m 28s
windows-latest 3.1	3m 35s
windows-latest 3.2	3m 45s
windows-latest 3.3	4m 3s
windows-latest 3.4	3m 56s
windows-latest head	3m 7s
windows-latest ucrt	3m 6s
windows-latest mswin	2m 28s
	1h 17m 8s

Provide feedback