Remove SNAPSHOT dependencies

This automated MR removes usage of SNAPSHOT versions in the first party library dependencies. Since SNAPSHOT dependencies change frequently -- by their nature -- usage of them across projects is dangerous and should be avoided.

Dependency Information Before the Upgrade

Branch: master
SHA:    181b245edcd31f730b8bfdb855e299c4e413161f
Maven:  0.21.0-SNAPSHOT

Maven Dependencies	Root	testing/
core-lib-azure	0.21.0-rc1
core-lib-gc	0.21.0-rc1
os-core-lib-aws	0.21.0-SNAPSHOT	0.19.0-rc3
obm	0.20.0-rc2
oqm	0.19.0
os-core-common	0.20.0-rc3	0.13.0, 0.18.0-rc3
os-core-lib-ibm	0.17.0-rc4	0.17.0-rc4
osm	0.21.0-rc1
(3rd Party) com.fasterxml.jackson.core.jackson-databind	2.14.0	2.8.1, 2.13.2.2
(3rd Party) org.springframework.spring-webmvc	5.3.26, 5.3.22	5.3.12, 5.3.24, 5.3.22
(3rd Party) org.yaml.snakeyaml	2.0	1.27, 1.30

Dependency Information After the Upgrade

Branch: dependency-upgrade-2
SHA:    c76288d84a1ce97e663476aea7e68f99d43a4540
Maven:  0.21.0-SNAPSHOT

Maven Dependencies	Root	testing/
core-lib-azure	0.21.0-rc1
core-lib-gc	0.21.0-rc1
os-core-lib-aws	0.20.0	0.19.0-rc3
obm	0.20.0-rc2
oqm	0.19.0
os-core-common	0.20.0-rc3	0.13.0, 0.18.0-rc3
os-core-lib-ibm	0.17.0-rc4	0.17.0-rc4
osm	0.21.0-rc1
(3rd Party) com.fasterxml.jackson.core.jackson-databind	2.14.0	2.8.1, 2.13.2.2
(3rd Party) org.springframework.spring-webmvc	5.3.26, 5.3.22	5.3.12, 5.3.24, 5.3.22
(3rd Party) org.yaml.snakeyaml	2.0	1.27, 1.30